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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 10-K

/X/ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
EXCHANGE ACT OF 1934
For the fiscal year ended September 30, 1998
or
/ / TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
EXCHANGE ACT OF 1934
For the period from __________ to __________

Commission file number 0-6890

MECHANICAL TECHNOLOGY INCORPORATED
(Exact name of registrant as specified in its charter)

New York 14-1462255
(State or other jurisdiction of (I.R.S. Employer
incorporation or organization) Identification No.)

968 Albany-Shaker Rd, Latham, New York 12110
(Address of principal executive offices) (Zip Code)

Registrant's telephone number, including area code: (518)785-2211

Securities Registered Pursuant to Section 12(b) of the Act: NONE

Securities Registered Pursuant to Section 12(g) of the Act
$1.00 Par Value Common Stock
(Title of Class)

Indicate by check mark if disclosure of delinquent filers pursuant to Item
405 of Regulation S-K is not contained herein, and will not be contained,
to the best of registrant's knowledge, in definitive proxy or information
statements incorporated by reference in Part III of this Form 10-K or any
amendment to this form 10-K. [ ]

Indicate by check mark whether the registrant (1) has filed all reports
required to be filed by Section 13 or 15(d) of the Securities Exchange Act
of 1934 during the preceding 12 months (or for such shorter period that
the registrant was required to file such reports), and (2) has been
subject to such filing requirements for the past 90 days.
Yes X No

The aggregate market value of the registrant's Common Stock held by
nonaffiliates of the registrant on December 11, 1998 (based on the last
sale price of $8.50 per share for such stock reported by OTC Bulletin
Board for that date) was approximately $32,296,183.

As of December 11, 1998, the registrant had 7,179,770 shares of Common
Stock outstanding.
DOCUMENTS INCORPORATED BY REFERENCE
Document Where Incorporated into Form 10-K Report
Proxy Statement for Part III
Annual Meeting of Shareholders
to be held on March 18, 1999


PART I


ITEM 1: BUSINESS

During the last two and a half years, MTI has undergone significant
change. In May 1996, First Albany Companies, Inc. ("FAC") acquired a
substantial interest in MTI and led a series of financial and strategic
transactions that have significantly changed MTI's operations and fiscal
well-being. In July 1996, MTI received an infusion of capital through a
private placement of its Common Stock. In December 1996, MTI and FAC
succeeded in restructuring a significant outstanding debt of the Company
by swapping the debt for Common Stock. This allowed the Company to
receive an unqualified opinion in 1996 from its Independent Auditors,
Coopers & Lybrand L.L.P., for the first time since 1992. On June 27,
1997, the Company transferred a portion of the Technology Division to
Plug Power, L.L.C. ("Plug Power") to form a joint venture between the
Company and Edison Development Corp. ("EDC"), a subsidiary of DTE
Energy, Corp. Plug Power has focused exclusively on the research and
development of an economically viable Proton Exchange Membrane ("PEM")
fuel cell. On September 30, 1997, the Company sold all of the assets of
its L.A.B. Division to Noonan Machine Company of Franklin Park,
Illinois. The proceeds from this sale were used to pay down outstanding
debt and build working capital. On March 31, 1998, the Company sold the
remainder of its Technology Division to a subsidiary of Foster-Miller,
Inc., a Waltham, Massachusetts-based technology company. These
divestitures have enabled the Company to continue to invest in fuel cell
technology through Plug Power and to better focus on its profitable test
and measurement business. In June, 1998, the Company raised
approximately $7.2 million in a rights offering and committed to invest
approximately $5 million of the proceeds in Plug Power, now an industry
leader in development of fuel cells in the United States.

Today, MTI is a very different Company, substantially streamlined in
focus, but with many challenges remaining. MTI is a manufacturer of
advanced test and measurements products that combine precision sensing
capabilities with proprietary software and systems to serve a variety of
applications for commercial and military customers. The Company has two
principal business units: the Advanced Products Division ("Advanced
Products"), which produces sensing instruments and computer-based
balancing systems, and Ling Electronics, Inc. ("Ling"), a developer and
manufacturer of vibration test systems and power conversion products.
MTI is also a fifty percent owner of Plug Power, which hopes to be the
first commercial manufacturer of PEM fuel cells for residential and
other applications.

Advanced Products has two general product families: non-contact sensing
instrumentation and computer-based balancing systems. The non-contact
sensing instrumentation products utilize fiber optic, laser and
capacitance technology to perform high precision position measurements
for product design and quality control inspection requirements,
primarily in the semiconductor and computer disk drive industries. Some
of these products bear the trademarks FOTONIC and ACCUMEASURE, which are
recognized in the industry worldwide. Advanced Products's computer-
based aircraft engine balancing systems include an on-wing jet engine
balancing system used by both commercial and military aircraft fleet
maintenance personnel. This product provides trim balancing and
vibration analysis in the field or in test cells.

Ling, of Anaheim, California, designs, manufactures, and markets
electro-dynamic vibration test systems, high-intensity-sound
transducers, power conversion equipment and power amplifiers used to
perform reliability testing and stress screening during product
development and quality control. This mode of testing is used by
industry and the military to reveal design and manufacturing flaws in a
broad range of precision products, from satellite parts to computer
components. Recent Ling products for power and frequency conversion and
"clean power" applications include systems capable of output up to 432
kVA.

The Company believes that the test and measurement industry will undergo
substantial consolidation in the near future. The challenges facing MTI
today are similar to those facing other smaller companies in industries
where consolidation is a part of the landscape. The Company believes
that consolidation may become a competitive necessity and that Advanced
Products and Ling are well-positioned to combine with complementary,
synergistic businesses to enhance and expand product offerings and
increase profitability and market position. Accordingly, the Company is
actively exploring strategic acquisitions and alliances for these
business units.

Plug Power, the Company's fuel cell joint venture, is developing a
proton exchange membrane fuel cell for residential and automotive
applications. In June 1998, Plug Power introduced the world's first
fuel cell powered home. In September 1998, Plug Power announced a
preliminary agreement with GE Power Systems to market and distribute
Plug Power's residential fuel cell units worldwide. Plug Power
continues to need substantial investment to continue its research and
development of the fuel cell and is aggressively pursuing additional
funding sources.

Mechanical Technology Incorporated was incorporated in New York in 1961.
Unless the context otherwise requires, the "registrant", "Company",
"Mechanical Technology" and "MTI" refers to Mechanical Technology
Incorporated and its subsidiaries. The Company's principal executive
offices are located at 968 Albany-Shaker Road, Latham, New York 12110 and
its telephone number is (518) 785-2211.


Significant Developments in the Business

On June 27, 1997, the Company and Edison Development Corp. ("EDC"), a
subsidiary of DTE Energy Co. formed a joint venture, Plug Power, L.L.C.
("Plug Power"), to further develop the Company's Proton Exchange Membrane
Fuel Cell technology. In exchange for its contribution of contracts and
intellectual property and certain other net assets that had comprised the
fuel cell research and development business activity of the Technology
segment (which assets had a net book value of $357 thousand), the Company
received a 50% interest in Plug Power. The Company's interest in Plug
Power may be reduced in certain circumstances. EDC made an initial cash
contribution of $4.75 million in exchange for the remaining 50% interest
in Plug Power. The Company's investment in Plug Power is included in the
balance sheet caption "Investment in Joint Venture"; the assets
contributed by the Company to Plug Power had previously been included in
the assets of the Company's Technology segment. See the supplemental
disclosure regarding Contribution of Net Assets to Joint Venture in the
Consolidated Statements of Cash Flows for additional information regarding
the assets contributed by the Company to Plug Power.

On April 15, 1998, EDC contributed $2.25 million in cash to Plug Power.
The Company contributed a below-market lease for office and manufacturing
facilities in Latham, New York valued at $2 million and purchased a one-
year option to match the remaining $250 thousand of EDC's contribution.
In May 1998, EDC contributed an additional $2 million to Plug Power and
the Company purchased another one-year option to match that contribution.
The Company paid approximately $191 thousand for the options, which mature
in April 1999 ($250 thousand) and May 1999 ($2 million). If the Company
does not exercise its options, they will lapse.

In August 1998, the Company committed to contribute an additional $5
million dollars (in cash, accounts receivable and research credits) to
Plug Power between August 5, 1998 and March 31, 1999 and recorded a
liability representing this obligation. Such contributions will
increase the Company's total contributions to Plug Power (including
contributions of cash, assets, research credits and a below market
lease) to $11.75 million over the period commencing on June 27, 1997 and
ending on March 31, 1999.

On August 5, 1998, the Company made a short term loan to Plug Power of
$500 thousand, which was subsequently contributed to capital on
September 23, 1998. The Company also converted $500 thousand of its
accounts receivable from Plug Power to capital on September 23, 1998.
At September 30, 1998, the remaining obligation to provide additional
funds to Plug Power was $4 million. The Company has recorded its
proportionate share of Plug Power's losses to the extent of its recorded
investment in Plug Power (including the foregoing obligation to
contribute an additional $4 million through March 31, 1999).

On September 30, 1998, the Company completed the sale of 1,196,399 shares
of common stock to current shareholders through a rights offering. The
offering raised approximately $7,178 thousand before offering costs of
approximately $186 thousand for net proceeds of approximately $6,992
thousand. The Company will use some or all of the proceeds of the
offering for investment in and/or loans to Plug Power. In addition, some
proceeds may be used for acquisitions for the Company's core businesses,
efforts to increase market share, working capital, general corporate
purposes and other capital expenditures.

The sale of the Company's Technology Division, the sole component of the
Technology segment, to NYFM, Incorporated (a wholly owned subsidiary of
Foster-Miller, Inc., a Waltham, Massachusetts-based technology company)
on March 31, 1998 completed management's planned sale of non-core
businesses. Accordingly, the Company no longer includes Technology among
its reportable business segments and now operates in only one segment,
Test and Measurement. The Technology Division is reported as a
discontinued operation as of December 26, 1997, and the consolidated
financial statements have been restated to report separately the net
assets and operating results of the business. Net assets of the
discontinued operation were $8 thousand and $3,186 thousand at September
30, 1998 and 1997, respectively and the loss on discontinued operations
in 1998 included a loss from operations of $516 thousand and a loss on
disposal of $1,769 thousand. The loss on disposal includes a provision
for estimated operating results prior to disposal. The Company's prior
year financial statements have been restated to conform to this
treatment. See Note 15 to the accompanying Consolidated Financial
Statements.

On September 30, 1997, the Company sold all of the assets of its L.A.B.

division to Noonan Machine Company of Franklin Park, IL. The Company
received $2,600 thousand in cash and two notes, totaling $650 thousand,
from Noonan Machine Company. The purchaser has requested that the
principal amount of the note be reduced to reflect the resale value of
certain assets of L.A.B. The Company is enforcing its rights with respect
to the note. The net proceeds from the sale were used to pay down all
outstanding debt and build working capital. The sale of L.A.B. resulted
in a $2,012 thousand gain, which was recorded in the fourth quarter of
fiscal year 1997.

On December 27, 1996, the Company and First Albany Companies, Inc. ("FAC")
entered into a Settlement Agreement and Release whereby the Company issued
FAC 1.0 million shares of Common Stock in full satisfaction of its
obligations pursuant to the Claim Participation Agreement dated December
21, 1993 and amended December 14, 1994, among United Telecontrol
Electronics, Inc. ("UTE"), the Company and First Commercial Credit
Corporation, in the principal amount of $3.0 million plus accrued interest
of $1.2 million. As a result, the Company in the first quarter of fiscal
1997 realized a gain on the extinguishment of debt totaling $2.5 million,
net of approximately $100 thousand of transaction related expenses and net
of taxes of $106 thousand.

The Company's wholly owned subsidiary, UTE of Asbury Park, New Jersey,
filed for voluntary bankruptcy under Chapter 11 of the Federal Bankruptcy
Code in April 1994. During October 1994, UTE commenced an orderly
liquidation and final court approval occurred during the third quarter of
fiscal 1996. Accordingly, the Company no longer includes Defense/Aerospace
amongst its reportable business segments and UTE has been classified as a
"discontinued operation" in the Company's Financial Statements. (See Note
15 to the accompanying Consolidated Financial Statements).

During November 1994, the Company sold all of the outstanding capital
stock of its subsidiary, ProQuip Inc. ("ProQuip") of Santa Clara, CA for
approximately $13.3 million. The sale resulted in a gain of approximately
$6.8 million in fiscal 1995 and $750 thousand, as a result of the release
of escrow funds, in fiscal 1996. (See Note 16 to the accompanying
Consolidated Financial Statements).


Business Segments

The Company currently conducts business in one business segment: Test and
Measurement. Test and Measurement offers a wide range of technology-based
equipment and systems for improved manufacturing, product testing, and
inspection for industry. Business units in this segment include the
Advanced Products Division, Ling Electronics, Inc. and the L.A.B. Division
(sold on September 30, 1997).

Advanced Products designs, manufactures and markets high-performance test
and measurement instruments and systems. These products are categorized
in two general product families: non-contact sensing instrumentation and
computer-based balancing systems. The Division's largest customers
include industry leaders in the computer, electronic, semiconductor,
automotive, aerospace, aircraft and bioengineering fields.

The non-contact sensing instrumentation products utilize fiber optic,
laser and capacitance technology to perform high precision position
measurements for product design and quality control inspection
requirements, primarily in the semiconductor and computer disk drive

industries. Product trademarks such as the Fotonic Sensor and Accumeasure
are recognized worldwide.

The Division's computer-based aircraft engine balancing systems include an
on-wing jet engine balancing system used by both commercial and military
aircraft fleet maintenance personnel. This product provides trim
balancing and vibration analysis in the field or in test cells.

Ling Electronics, Inc., of Anaheim, California, designs, manufactures, and
markets electro-dynamic vibration test systems, high-intensity-sound
transducers, power conversion equipment and power amplifiers used to
perform reliability testing and stress screening during product
development and quality control. This mode of testing is used by industry
and the military to reveal design and manufacturing flaws in a broad range
of precision products, from satellite parts to computer components. Recent
Ling products for power and frequency conversion and "clean power"
applications include systems capable of output up to 432 kVA.

The L.A.B. Division, which was sold on September 30, 1997, designed,
manufactured and marketed mechanically-driven and hydraulically-driven
test systems for package and product reliability testing. Among other
uses, this equipment simulates the conditions a product will encounter
during transportation and distribution including shock, compression,
vibration and impact. This type of testing is widely conducted by
businesses involved in product design, packaging and distribution.

The business units in the Test and Measurement segment have numerous
customers and are not dependent upon a single or a few customers.


Backlog

The backlog of orders believed to be firm as of September 30, is
$2,071,000 for 1998 and $3,861,000 for 1997. The backlog relates to
contracts awarded by government agencies or commercial customers.
Approximately $110 thousand of the orders included in the September 30,
1998 backlog may not be filled during the Company's current fiscal year.


Marketing and Sales

The Company sells its products and services through a combination of a
direct sales force, manufacturer's representatives, distributors and
commission salespeople. Each business unit is responsible for its own
sales organization. Typically, the Company's product businesses employ
regional manufacturer's representatives on an exclusive geographic basis
to form a nationwide or worldwide distribution organization; the business
unit is responsible for marketing and sales management and provides the
representatives with sales and technical expertise on an "as-required"
basis. To a great extent, the marketing and sales of the Company's larger
products and systems consist of a joint effort by the business unit's
senior management, its direct sales force and manufacturer's
representatives to sophisticated customers. The manufacturer's
representatives are compensated on a commission basis.


Research and Development

The Company conducts considerable research and development to support

existing products and develop new products. (See the accompanying
Consolidated Statements of Operations). The Company holds patents and
rights in various fields of technology. The technology of the Company is
generally an advancement of the "state of the art", and the Company
expects to maintain a competitive position by continuing such advances
rather than relying on patents. Licenses to other companies to use
Company-developed technology have been granted and are expected to be of
benefit to the Company, though royalty income received in recent years has
not been material in amount and is not expected to be material in the
foreseeable future.


Competition

The Company and each of its business units are subject to intense
competition. The Company faces competition from at least several
companies, many of which are larger than MTI and have greater financial
resources. While the business units in the Company's Test and Measurement
segment each have a major share of their respective markets, the Company
does not consider any of them to be dominant within its industry.

The primary competitive considerations in the test and measurement segment
are: product quality and performance, price and timely delivery. The
Company believes that its product development skills and reputation are
competitive advantages.


Employees

The total number of employees of the Company and its subsidiaries was 123
as of September 30, 1998, compared to 178 as of the beginning of the
fiscal year.


Executive Officers

The executive officers of the registrant (all of whom serve at the
pleasure of the Board of Directors), their ages, and the position or
office held by each, are as follows:

Position or Office Name Age

Chief Executive Officer, George C. McNamee 52
and a Director

Vice President and Chief Cynthia A. Scheuer 37
Financial Officer

Vice President and General Manager, Denis P. Chaves 58
Advanced Products

President and Chief Executive Officer James R. Clemens 49
Ling Electronics, Inc.

Mr. McNamee has been Chief Executive Officer of the Company since April
1998 and a director since 1996.

Ms. Scheuer was appointed Vice President and Chief Financial Officer of
the Company in November 1997. Prior to joining the Company, she was a

senior business assurance manager at Coopers & Lybrand L.L.P. where she
was employed since 1983.

Mr. Chaves has been Vice President and General Manager of the Company's
Advanced Products Division since 1987 and was Vice President and General
Manager of the Company's L.A.B. Division from January 1994 until it was
sold in September, 1997. Previously, he served as Manager of Corporate
Marketing for the Company from 1981 to 1987.

Mr. Clemens has been President and Chief Executive Officer of Ling
Electronics, Inc., a wholly owned subsidiary of the Company, since April
1998. Mr. Clemens was previously Vice President and General Manager of
Ling from April 1997 to April 1998. From December 1994 to March 1997, he
was a site manager for Teleflex Control. From September 1992 to November
1994, he was President and Chief Operating Officer of MTI's former
subsidiary United Telecontrol Electronics, Inc.


ITEM 2: PROPERTIES

The Company owns and leases property in New York and California. In
management's opinion, the facilities are generally well-maintained and
adequate to meet the Company's current and future needs.

The Company's corporate headquarters are located on a 36 acre site in Latham,
New York. The site includes three separate buildings that contain a total of
approximately 116,000 square feet. In October 1998, the Company completed
construction of a new manufacturing and office facility for Advanced Products
and corporate headquarters. The former Advanced Products facility has been
renovated and is being rented to Plug Power, as part of the Company's capital
contribution to Plug Power. See "Significant Developments in the Business".
The lease expires on September 30, 2008. The third building is being rented
to Plug Power and NYFM, Incorporated. Both Plug Power's and NYFM
Incorporated's leases expire on March 31, 1999.


Ling Electronics', Inc. leases approximately 85,000 square feet of office and
manufacturing space in Anaheim, California. The lease will expire in June of
2003.

In addition to the above property, the Company and its subsidiaries lease
several small offices for field engineering and/or marketing personnel at
various locations in the United States and United Kingdom.


ITEM 3: LEGAL PROCEEDINGS

At any point in time, the Company and its subsidiaries may be involved in
various lawsuits or other legal proceedings; these could arise from the
sale of products or services or from other matters relating to its regular
business activities, may relate to compliance with various governmental
regulations and requirements, or may be based on other transactions or
circumstances. The Company does not believe there are any such proceedings
presently pending that could have a material adverse effect on the
Company's financial condition except for the matters described in Note 13
to the accompanying Consolidated Financial Statements (which description
is incorporated herein by reference).

On or about February 6, 1997, Ling Holdings Group, Inc. ("Holdings")

commenced an action against the Company and its former chief executive
officer, R. Wayne Diesel, in the Superior Court, Orange County,
California, entitled Ling Holdings Group, Inc. v. Mechanical Technology
Inc. et al, No. 775074. In that action, Holdings alleged nine causes of
action against the Company for breach of contract and tort. All of the
claims related to a Stock Purchase Agreement between Holdings and the
Company. In the action, Holdings sought specific performance of the Stock
Purchase Agreement (i.e., the sale of two subsidiaries of the Company,
Ling Electronics, Inc. and Ling Electronics Limited), as well as
compensatory and punitive damages. The Company asserted counterclaims.

In August 1998, all but five of Holdings' causes of action were dismissed
with prejudice. The remaining causes of action were dismissed with
prejudice in an oral statement of decision by the court after a trial,
which began on September 21 and concluded September 30, 1998. The
Company's counterclaims were dismissed, as well. The judgment, based upon
the court's September 30 statement of decision, was entered November 17,
1998. Holdings will have 60 days from the mailing of notice of entry of
the judgment to appeal.


ITEM 4: SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS

There were no matters submitted to a vote of the registrant's security
holders during the fourth quarter of fiscal 1998.


PART II


ITEM 5: MARKET FOR REGISTRANT'S COMMON EQUITY AND RELATED
STOCKHOLDER MATTERS

Price Range of Common Stock

Since August 1994, the Company's Common Stock has been traded on the over-
the-counter market and is listed under the symbol MKTY on the OTC Bulletin
Board. Set forth below are the highest and lowest prices at which shares
of the Company's Common Stock have been traded during each of the
Company's last two fiscal years.

High Low
Fiscal Year 1998
First Quarter 6-3/4 3-3/4
Second Quarter 8-1/8 3-1/2
Third Quarter 8-1/8 5-11/16
Fourth Quarter 9-3/8 6

Fiscal Year 1997
First Quarter 2-7/8 1-1/2
Second Quarter 2-3/4 1-7/8
Third Quarter 3-1/2 1-7/8
Fourth Quarter 4-1/3 2-1/4

Number of Equity Security Holders

As of December 11, 1998, the Company had approximately 538 holders of its
$1.00 par value Common Stock. In addition, there are approximately 1,356
beneficial owners holding stock in "street" name.


Dividends

The payment of dividends is within the discretion of the Company's Board
of Directors and will depend, among other factors, on earnings, capital
requirements, and the operating and financial condition of the Company.
The Company has never paid and does not anticipate paying dividends in the
foreseeable future.

ITEM 6: SELECTED FINANCIAL DATA

The following table sets forth summary financial information regarding
Mechanical Technology Incorporated for the years ended September 30, as
indicated:

Statement of Earnings Data (In thousands, except per share data)
Restated Restated Restated Restated
1998 1997 1996 1995 1994

Net Sales $ 21,028 $ 24,102 $ 22,755 $ 18,140 $ 29,721

Gain on sale of
subsidiary/division or
building - 2,012 750 6,779 1,856

(Loss) Income from
Continuing Operations
Before Extraordinary
Item and Income Taxes (2,006) 2,701 673 3,352 816

(Loss) Income from
Continuing Operations
before Extraordinary Item (2,031) 2,558 598 3,256 201

Extraordinary Item -
Gain on Extinguish-
ment of Debt, net of
taxes($106) - 2,507 - - -

(Loss) Income from
Continuing Operations (2,031) 5,065 598 3,256 201

(Loss) Income from
Discontinued
Operations, Net
of Taxes (2,285)(1) (545) 3,150 (334) (24,579)(2)


Net(Loss)Income $ (4,316) $ 4,520 $ 3,748 $ 2,922 $(24,378)

Diluted Earnings
Per Share (3)

(Loss) Income from
Continuing Operations
before Extraordinary
Item $ (0.35) $ 0.45 $ 0.15 $ 0.91 $ 0.05

Extraordinary Item - 0.44 - - -

(Loss)Income from
Discontinued
Operations (0.38) (0.09) 0.81 (0.09) 6.96

Net (Loss)Income $ (0.73) $ 0.80 $ 0.96 $ 0.82 $ (6.91)

Weighted Average Shares
Outstanding and
Equivalents 5,937,158 5,672,045 3,911,952 3,559,789 3,529,881

Balance Sheet Data:
Working Capital
(Deficit) $ 5,779 $ 7,696 $ 7,086 $ 2,712 $ (6,219)

Total Assets 21,128 14,003 13,481 13,444 23,971

Total Long-Term
Debt 0 0 5,508 6,960 11,182

Total Shareholders'
Equity (Deficit) 11,124 8,213 2,164 (3,490) (6,418)
_______________________
(1) Includes a net charge of $1,769 related to the discontinuance of the
Company's Technology Division.
(2) Includes a net charge of $15,415 related to the discontinuance of the
Company's United Telecontrol Electronics, Inc. subsidiary.
(3) Earnings per share have been restated to comply with SFAS No. 128,
"Earnings Per Share."


Prior years have been restated to reflect the Technology and
Defense/Aerospace segments as discontinued operations. (See Note 15 to
the accompanying Consolidated Financial Statements).

There were no cash dividends on common stock declared for any of the
periods presented.


ITEM 7: MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL
CONDITION AND RESULTS OF OPERATIONS


Results of Operations: 1998 in Comparison with 1997

The following three paragraphs summarize significant organizational
changes, which impact the comparison of 1998 and 1997 results of
operations.

On June 27, 1997, the Company and Edison Development Corp. ("EDC"), a
subsidiary of DTE Energy Co. formed a joint venture, Plug Power L.L.C.
("Plug Power") to further develop the Company's Proton Exchange Membrane
Fuel Cell technology. In exchange for its contribution of employees,
contracts, intellectual property and certain other assets that had
comprised the fuel cell research and development business activity of the
Technology segment (which assets had a net book value of $357 thousand),
the Company received a 50% interest in Plug Power. The Company's interest
in Plug Power may be reduced in certain circumstances. EDC made an
initial cash contribution of $4.75 million in exchange for the remaining
50% interest in Plug Power. The Company's investment in Plug Power is

included in the balance sheet caption "Investment in Joint Venture"; the
assets contributed by the Company to Plug Power had previously been
included in the assets of the Company's Technology segment. See the
supplemental disclosure regarding Contribution of Net Assets to Joint
Venture in the Consolidated Statements of Cash Flows for additional
information regarding the assets contributed by the Company to Plug Power.

The sale of the Company's Technology Division, the sole component of the
Technology segment, to NYFM, Incorporated (a wholly owned subsidiary of
Foster-Miller, Inc., a Waltham, Massachusetts-based technology company) on
March 31, 1998 completed management's planned sale of non-core businesses.
Accordingly, the Company no longer includes Technology among its
reportable business segments and now operates in only one segment, Test
and Measurement. The Technology Division is reported as a discontinued
operation as of December 26, 1997, and the consolidated financial
statements have been restated to report separately the net assets and
operating results of the business. Net assets of the discontinued
operation were $8 thousand and $3,186 thousand at September 30, 1998 and
1997, respectively and the loss on discontinued operations included a loss
from operations of $516 thousand and a loss on disposal of $1,769 thousand
at September 30, 1998. The loss on disposal includes a provision for
estimated operating results prior to disposal. The Company's prior year
financial statements have been restated to conform to this treatment.

On September 30, 1997, the Company sold all of the assets of its L.A.B.
Division to Noonan Machine Company of Franklin Park, IL. The Company
received $2,600 thousand in cash and two notes, totaling $650 thousand,
from Noonan Machine Company. The purchaser has requested that the
principal amount of the note be reduced to reflect the resale value of
certain assets of L.A.B. The Company is enforcing its rights with respect
to the note. The net proceeds from the sale were used to pay down all
outstanding debt and build working capital. The sale of L.A.B. resulted
in a $2,012 thousand gain, which was recorded in the fourth quarter of
fiscal year 1997. In addition, $250 thousand of the proceeds associated
with one of the notes was recorded as deferred revenue due to the
possible reduction of the $250 thousand note receivable, in the event of
a sale of certain fixed assets, in accordance with the terms of the
note.

The following is management's discussion and analysis of certain
significant factors, which have affected the Company's results of
operations for 1998 compared to 1997. This discussion relates only to the
Company's continuing operations.

Sales for fiscal 1998 totaled $21.0 million compared to $24.1 million for
the prior year, a decrease of $3.1 million or 12.8%. This decrease is
attributable to the reduction of sales resulting from the sale of the
L.A.B. Division on September 30, 1997, which reported sales of
$3.3 million and operating income of $500 thousand at September 30, 1997.
Advanced Products reported a sales increase of 26.2% and Ling reported a
sales decrease of 11.3% in the year ended September 30, 1998.

Selling, general and administrative expenses for fiscal 1998 were 27.6% of
sales, as compared to 29.1% in 1997. Product development and research
costs during fiscal 1998 were 4% of sales, compared to 4.2% for 1997.
Lower levels of general/administrative expenses for fiscal 1998 resulted
primarily from cost reduction efforts during fiscal 1998 as well as the
elimination of costs for L.A.B. of $600 thousand.


Operating income of $2 million at September 30, 1998 represented a $400
thousand or 24% increase from the $1.6 million operating income recorded
during the same period last year. The increase is the result of
increased sales levels for Advanced Products and improved margins as a
result of cost control measures. Excluding the L.A.B. division results
in 1997, operating income increased $900 thousand.

In addition to the matters noted above, during the fourth quarter of
fiscal 1998, the Company recorded a $3.8 million loss from the recognition
of the Company's proportionate share of losses of the Plug Power joint
venture compared to a $300 thousand loss in 1997. During the fourth
quarter of fiscal 1997, the Company recorded a $2.0 million gain on the
sale of the L.A.B. Division. Further, the Company recorded a $2.5 million
extraordinary gain, net of taxes, on the extinguishment of debt during the
first quarter of fiscal 1997.

Results during fiscal 1998 were enhanced by lower interest expense,
principally resulting from reduced indebtedness. Moreover, the Company
benefited from reduced income tax expense due to the loss generated by
discontinued operations and the use of net operating loss carryforwards.
However, as a result of recent ownership changes, the availability of
further net operating loss carryforwards to offset future taxable income
will be significantly limited pursuant to the Internal Revenue Code.


Results of Operations: 1997 in Comparison with 1996

The following three paragraphs summarize significant organizational
changes, which impact the comparison of 1997 and 1996 results of
operations.

On September 30, 1997, the Company sold all of the assets of its L.A.B.
Division to Noonan Machine Company of Franklin Park, IL. The Company
received $2,600 thousand in cash and two notes, totaling $650 thousand,
from Noonan Machine Company. The purchaser has requested that the
principal amount of the note be reduced to reflect the resale value of
certain assets of L.A.B. The Company is enforcing its rights with respect
to the note. The net proceeds from the sale were used to pay down all
outstanding debt and build working capital. The sale of L.A.B. resulted
in a $2,012 thousand gain, which was recorded in the fourth quarter of
fiscal year 1997. In addition, $250 thousand of the proceeds associated
with one of the notes was recorded as deferred revenue due to the
possible reduction of the $250 thousand note receivable, in the event of
a sale of certain fixed assets, in accordance with the terms of the
note.

On June 27, 1997, the Company and Edison Development Corp. ("EDC"), a
subsidiary of DTE Energy Co. formed a joint venture, Plug Power L.L.C.
("Plug Power") to further develop the Company's Proton Exchange Membrane
Fuel Cell technology. In exchange for its contribution of employees,
contracts, intellectual property and certain other assets that had
comprised the fuel cell research and development business activity of the
Technology segment (which assets had a net book value of $357 thousand),
the Company received a 50% interest in Plug Power. The Company's interest
in Plug Power may be reduced in certain circumstances. EDC made an initial
cash contribution of $4.75 million in exchange for the remaining 50%
interest in Plug Power. The Company's investment in Plug Power is
included in the balance sheet caption "Investment in Joint Venture"; the
assets contributed by the Company to Plug Power had previously been

included in the assets of the Company's Technology segment. See the
supplemental disclosure regarding Contribution of Net Assets to Joint
Venture in the Consolidated Statements of Cash Flows for additional
information regarding the assets contributed by the Company to Plug Power.

On December 27, 1996, the Company and First Albany Companies, Inc. ("FAC")
entered into a Settlement Agreement and Release whereby the Company issued
FAC 1.0 million shares of Common Stock in full satisfaction of its
obligations pursuant to the certain Claim Participation Agreement dated
December 21, 1993 and amended December 14, 1994, among United Telecontrol
Electronics, Inc. ("UTE"), the Company and First Commercial Credit
Corporation, in the principal amount of $3.0 million plus accrued interest
of $1.2 million. As a result, the Company in the first quarter of fiscal
1997 realized a gain on the extinguishment of debt totaling $2.5 million,
net of approximately $100 thousand of transaction related expenses and net
of taxes of $106 thousand. (See "Liquidity and Capital Resources",
below.)

The following is management's discussion and analysis of certain
significant factors, which have affected the Company's results of
operations for 1997 compared to 1996. This discussion relates only to the
Company's continuing operations.

Sales for fiscal 1997 totaled $24.1 million compared to $22.8 million for
the prior year, an increase of 5.9% in fiscal 1997 compared to fiscal
1996. L.A.B and Advanced Products reported sales increases of 7.8% and
19.4%, respectively and Ling reported a sales decrease of 0.2%.

Selling, general and administrative expenses for fiscal 1997 were 29.1% of
sales, as compared to 31.1% in 1996. Product development and research
costs during fiscal 1997 were 4.2% of sales, compared to 3.0% for 1996.
Lower levels of general/administrative expenses for fiscal 1997 resulted
primarily from cost reduction efforts during fiscal 1997 as well as
certain expenses having been incurred during 1996 in connection with the
now-discontinued efforts to sell Ling.

Company 1997 operating income totaled $1.6 million compared to $1.1
million for fiscal 1996, or an increase of $500 thousand. The increase
in operating income is primarily due to continuing growth of revenues.
Increased operating income was achieved in spite of higher product
development costs. All divisions reported improvements, however, Ling
continues to experience an operating loss.

In addition to the matters noted above, during the fourth quarter of
fiscal 1997, the Company recorded a $2.0 million gain on the sale of the
L.A.B. Division and a $330 thousand loss from the recognition of the
Company's proportionate share of the loss of the Plug Power joint venture.
Sales for the L.A.B. Division were $3.3 million in 1997 and $3.1 million
in 1996. Further, the Company recorded a $2.5 million extraordinary gain,
net of taxes, on the extinguishment of debt during the first quarter of
fiscal 1997. Fiscal 1996 results included a $750 thousand gain from the
sale of its former subsidiary ProQuip, as a result of the removal of
contingencies.

Results during fiscal 1997 were further enhanced by lower interest
expense, principally resulting from reduced indebtedness. Moreover, the
Company has benefited from reduced income tax expense due to the use of
net operating loss carryforwards. However, as a result of recent ownership
changes, the availability of further net operating loss carryforwards to

offset future taxable income will be significantly limited pursuant to the
Internal Revenue Code.


Liquidity and Capital Resources

At September 30, 1998, the Company's order backlog was $2.1 million, a
decrease of $1.8 million from the prior year-end. This reduction reflects
a decline due to orders expected in the fourth quarter of 1998 being
shifted to the next fiscal year.

Inventories increased by $362 thousand in 1998 to support increased sales
levels at Advanced Products. Additionally, accounts receivable increased
by $477 thousand in 1998 due to the timing of sales at the end of the
fiscal year.

Cash flow from continuing operations was $513 thousand in 1998 compared
with $1,089 thousand in 1997 and ($49) thousand in 1996. Cash flow from
operating activities was impacted in 1998 and 1997 by positive operating
income and fluctuations in working capital components.

Working capital was $5.8 million at September 30, 1998, a $1.9 million
decrease from $7.7 million at fiscal year-end 1997. Capital used during
fiscal 1998 was principally to fund short term operating cash flow
requirements and pay construction costs.

Capital expenditures were $3,166 thousand for 1998, $377 thousand for 1997
and $170 thousand for 1996. The increased capital expenditures in 1998
were in accordance with the higher level of planned expenditures and the
construction of a new facility for Advanced Products and corporate
headquarters and renovations to an existing building leased to Plug Power.
Capital expenditures in 1999 are expected to be about $4.4 million, which
consists of additional expenditures associated with the construction of
the new facility, computer software and hardware costs and manufacturing
equipment. The Company expects to finance these expenditures with cash
from operations and existing credit facilities. As of September 30, 1998,
the Company was committed to construction costs of approximately $2,856
thousand.

Cash and cash equivalents were $5,567 thousand at September 30, 1998
compared to $1,421 thousand at September 30, 1997, this increase is
attributable to $6,992 thousand of net cash proceeds from the sale of
common shares to existing shareholders through a rights offering, which
closed on September 30, 1998 net of payments associated with the Company's
construction project.

At September 30, 1998 and 1997, there were no borrowings outstanding on
the lines of credit. The Company has a working capital line of credit
available in the amount of $4 million and a $1 million equipment line of
credit. These lines of credit expire on January 31, 2000.

The reduction in net assets of discontinued operations of $3,178 thousand
includes the transfer of $878 thousand of assets to continuing operations
(principally land, building and management information systems) as well as
the accrual for the loss on disposal of the Technology Division. Such
accrual included a provision for estimated operating results prior to
disposal and an estimate of the loss on disposal and winddown of the
Technology Division, which totaled $1,769 thousand. The sale of the
Technology Division was completed as of March 31, 1998.

On July 31, 1998, Plug Power asked the Company to commit to contribute $5
million (in cash, other assets and research credits) to Plug Power to fund
continuing operations for the period August 1, 1998 through March 31,
1999. The Company has committed to the $5 million contribution request,
which will be funded by the proceeds from the rights offering. On August
5, 1998, EDC and the Company each made short-term loans of $500 thousand
to Plug Power, which were subsequently contributed to capital on September
23, 1998. On September 23, 1998, the Company also contributed $500
thousand of accounts receivable from Plug Power to equity. A liability
for $4 million was recorded as of September 30, 1998 to reflect the
Company's additional obligation to fund Plug Power during 1999. In
addition, Plug Power will continue to need substantial investment for the
foreseeable future. Plug Power continues to pursue strategic partners and
additional sources of capital. Plug Power is currently negotiating with
several strategic partners and has signed a preliminary Memorandum of
Understanding with General Electric Power Systems. There is no assurance,
however, that Plug Power will successfully conclude any transactions with
strategic partners or find other sources of capital. If other sources of
funding cannot be found, the Company will be faced with contributing
and/or lending additional capital to Plug Power or dilution of its
interest in Plug Power. If EDC and the Company stop funding Plug Power
and no additional sources of capital are found, Plug Power will not be
able to continue as a going concern.

During fiscal 1996, First Albany Companies, Inc. ("FAC") had purchased
909,091 shares of the Company's Common Stock from the New York State
Superintendent of Insurance as the court-ordered liquidator of United
Community Insurance Company ("UCIC"). In connection with this purchase,
FAC also acquired certain rights to an obligation ("Term Loan") due from
the same finance company ("FCCC") to whom the Company was obligated under
the Note Payable. FCCC was in default of its Term Loan to UCIC. FAC, as
the owner of the rights to the Term Loan, filed suit seeking payment and
obtained a summary judgment. Collateral for the FCCC Term Loan included
the Company's Note Payable to FCCC. FAC exercised its rights to the
collateral securing the Term Loan, including the right to obtain payment
on the Note Payable directly from the Company. On December 27, 1996, the
Company and FAC entered into an agreement under which the Company issued
to FAC 1.0 million shares of Common Stock in full satisfaction of the Note
Payable of $3 million and accrued interest of $1.2 million. Accordingly,
the Company realized a gain on the extinguishment of debt totaling $2.5
million, net of approximately $100 thousand of transaction related
expenses and net of taxes of $106 thousand.

The Company benefited in fiscal 1997 from the sale of the L.A.B. Division
on September 30, 1997, with cash proceeds of $2.6 million and two notes
receivable for a total of $650 thousand. The cash proceeds were used to
pay off the remaining balance on the Company's term loan to Chase
Manhattan Bank and to provide for general working capital needs.

The Company anticipates that it will be able to meet the liquidity needs
of its continuing operations from cash flow generated by operations and
borrowing under its existing lines of credit.


Debt

The Industrial Development Agency for the Town of Colonie has agreed to
issue $6 million in Industrial Development Revenue Bonds ("IDR") on behalf
of the Company to assist in the construction of a new building for

Advanced Products and the Company's corporate staff and renovation of
existing buildings leased to Plug Power. The construction project is due
to be completed as of April 1999. First Albany Companies, Inc. ("FAC"),
which owns 34% of the Company's stock, will underwrite the sale of the IDR
Bonds. Proceeds of the IDR Bonds will be deposited with a trustee for the
bondholders. The Company may draw the bond proceeds to cover qualified
project costs. The bond closing is expected to be completed on or about
December 17, 1998. FAC will receive no fees for underwriting the IDR
Bonds but will be reimbursed for its out of pocket costs.


Year 2000

General

Mechanical Technology Incorporated's company-wide Year 2000 plan is
proceeding on schedule. The plan is addressing the issue of computer
programs and embedded computer chips being unable to distinguish between
the year 1900 and the year 2000 as well as the ability to recognize the
leap year date of February 29, 2000. The plan has been divided into six
areas: (1)Systems evaluation, (2) Software evaluation, (3) Third-party
suppliers, (4) Facility systems, (5) Products and (6)Contingency plans.
The general phases common to all segments are: (1) Inventorying Year
2000 items, (2) Assigning priorities to identified items, (3) Assessing
the Year 2000 compliance of items determined to be material to the
Company, (4) Repairing or replacing material items that are determined
not to be Year 2000 compliant, (5) Testing material items and (6)
Designing and implementing contingency and business continuation plans
for each organization and company location.

Systems Evaluation

At September 30, 1998, all internal systems have been identified,
inventoried, prioritized and assessed for Year 2000 compliance. Systems
found to be totally non-compliant were replaced, the remaining systems
were found to be in compliance. Plans are being developed to ensure
that staff are available to oversee restarting certain machines and
manually adjusting their dates.

Software Evaluation

At September 30, 1998, all software material to the Company has been
identified, evaluated, and placed into one of three categories: (1)
Found to be in full compliance and certified as such by vendors, (2)
Identified as requiring update or (3) Identified as requiring
replacement with compliant software. Those in the latter category have
been included in the current budget.

Third-Party Suppliers

This phase of the Year 2000 Plan will be completed by the end of the 2nd
Quarter of fiscal 1999. These third-party suppliers are in the process
of implementing their own plans with an expected completion date of
1999. If any provider is not successfully compliant, the Company will
evaluate selecting alternative providers at that time.

Facility Systems

The facility systems review is complete. All systems are believed to be

Year 2000 compliant including telephone, fire alarm, security, elevator
and network components.

Products

The Company has evaluated both current product offerings and products in
the field to determine their ability to comply with Year 2000 issues.
The products were found to be non-compliant, compliant if modifications
are made, fully compliant or not impacted (that is, the product does not
have a computer or contains an embedded computer but does not use a date
function). Those products identified as non-compliant are products in
the field that are not Year 2000 compliant, cannot be modified and must
be replaced. Products which can be modified will have upgrades
available for sale during fiscal 1999.

Contingency Plans

This phase is currently being developed. Contingency plans should be in
place by the end of the 2nd Quarter of fiscal 1999.

Costs

The total cost associated with required modifications to become Year
2000 compliant is not expected to be material to the Company's financial
position. The estimated total cost of the Year 2000 project is
approximately $120 thousand, which includes software, hardware and
cabling upgrade and replacement costs. This estimate does not include
the Company's potential share of Year 2000 costs that may be incurred by
joint ventures, in which the company participates but is not the
operator. The total amount expended on the Plan through September 30,
1998 was $34 thousand for the upgrade and replacement of hardware.

Risks

The failure to correct a material Year 2000 problem could result in an
interruption in, or a failure of, certain normal business activities or
operations. Such failures could materially and adversely affect the
Company's results of operations, liquidity and financial condition. Due
to the general uncertainty inherent in the Year 2000 problem, resulting
in part from the uncertainty of the Year 2000 readiness of third-party
suppliers and customers, the Company is unable to determine at this time
whether the consequences of Year 2000 failures will have a material
impact on the Company's results of operations, liquidity or financial
condition. The Year 2000 Plan is expected to significantly reduce the
Company's level of uncertainty about the Year 2000 problem and, in
particular, about the Year 2000 compliance and readiness of its material
customers. The Company believes that, with the implementation and
completion of the Year 2000 Plan as scheduled, the possibility of
significant interruptions of normal operations should be reduced.

Statements in this Form 10-K or in documents incorporated herein by
reference that are not statements of historical fact constitute "forward-
looking statements" within the meaning of the Private Securities
Litigation Reform Act of 1995, including statements regarding future
revenues, expenses and profits. These forward looking statements are
subject to known and unknown risks, uncertainties or other factors that
may cause the actual results of the Company to be materially different
from the historical results or from any results expressed or implied by
the forward looking statements. Such risks and factors include, but are

not limited to, those discussed in "Management's Discussion and Analysis
of Financial Condition and Results of Operations".


ITEM 8: FINANCIAL STATEMENTS

The financial statements filed herewith are set forth on the Index to
Consolidated Financial Statements on Page F-1 of the separate financial
section which follows page 33 of this report and are incorporated herein
by reference.


ITEM 9: CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON
ACCOUNTING AND FINANCIAL DISCLOSURE

None.
PART III


ITEM 10: DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT

The information set forth under the caption "Executive Officers" in Item 1
of this Form 10-K Report, and the information which will be set forth in
the section entitled "Election of Directors", and under the captions
"Security Ownership of Certain Beneficial Owners" and "Compliance with
Section 16(a) of the Securities Exchange Act of 1934" in the section
entitled "Additional Information", in the definitive Proxy Statement to be
filed by the registrant, pursuant to Regulation 14A, for its Annual
Meeting of Shareholders to be held on March 18, 1999 (the "1999 Proxy
Statement"), is incorporated herein by reference.


ITEM 11: EXECUTIVE COMPENSATION

The information which will be set forth under the captions "Executive
Compensation", "Compensation Committee Report", "Compensation Committee
Interlocks and Insider Participation", "Employment Agreements", and
"Directors Compensation", in the section entitled "Additional Information"
in the registrant's 1999 Proxy Statement, is incorporated herein by
reference.


ITEM 12: SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND
MANAGEMENT

The information which will be set forth under the captions "Security
Ownership of Certain Beneficial Owners" and "Security Ownership of
Management" in the section entitled "Additional Information" in the
registrant's 1999 Proxy Statement, is incorporated herein by reference.


ITEM 13: CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

The information which will be set forth under the caption "Certain
Information Regarding Nominees" in the section entitled "Election of
Directors", and under the captions "Directors Compensation", "Security
Ownership of Certain Beneficial Owners", and "Certain Relationships and
Related Transactions", in the section entitled "Additional Information",
in the registrant's 1999 Proxy Statement is incorporated herein by

reference.

PART IV


ITEM 14: EXHIBITS, FINANCIAL STATEMENT SCHEDULE AND REPORTS ON
FORM 8-K

(a) (1) The financial statements filed herewith are set forth on the
Index to Consolidated Financial Statements on page F-1 of the separate
financial section which accompanies this Report, which is incorporated
herein by reference.

The following exhibits are filed as part of this Report:

Exhibit
Number Description

2.1 Purchase Agreement, dated as of November 23,
1994, among the Registrant, ProQuip Inc. and
Phase Metrics.(7)

3.1 Certificate of Incorporation of the registrant,
as amended.(1)

3.2 By-Laws of the registrant, as amended.

4.1 Certificate of Amendment of the Certificate
of Incorporation of the registrant, filed
on March 6, 1986 (setting forth the provisions
of the Certificate of Incorporation, as amended,
relating to the authorized shares of the
registrant's Common Stock) - included in
the copy of the registrant's Certificate of
Incorporation, as amended, filed as Exhibit 3.1
hereto.

4.20 Loan Agreement, dated as of June 1, 1987,
between the registrant and Chase Lincoln
First Bank, N.A. ("Chase Lincoln"), relating to
a $20,000,000 term loan to finance the registrant's
acquisition of United Telecontrol Electronics, Inc.
(the "UTE Loan Agreement").(1)

4.21 First Amendment to Loan Agreement, dated as
of September 30, 1988, amending certain
provisions of the UTE Loan Agreement.(1)

4.22 Second Amendment to Loan Agreement, dated as of
February 21, 1990, amending certain provisions
of the UTE Loan Agreement.(1)

4.24 Third Amendment to Loan Agreement, dated as
of January 1, 1991, amending certain
provisions of the UTE Loan Agreement.(2)

4.25 Form of Note, in the amount of $9,181,700, executed
by the registrant on January 1, 1991 to evidence its
indebtedness under the UTE Loan Agreement.(2)

4.26 Form of Note, in the amount of $2,000,000,
executed by the registrant on January 1, 1991
to evidence its indebtedness under the UTE
Loan Agreement.(2)

4.27 Form of Note, in the amount of $1,000,000,
executed by the registrant on January 1, 1991
to evidence its indebtedness under the UTE
Loan Agreement.(2)

4.28 Mortgage, dated January 31, 1991, executed
by the registrant in favor of Chase Lincoln
and securing the registrant's obligation to
Chase Lincoln, including those under the
UTE and ProQuip Loan Agreements.(2)

4.30 Loan Agreement, dated as of September 30, 1998
between the registrant and Chase Lincoln relating
to an $8,000,000 term loan to finance the
registrant's acquisition of ProQuip, Inc. (the
"ProQuip Loan Agreement").(1)

4.31 Negative Pledge Agreement, dated as of
September 30, 1988, executed by the registrant
in favor of Chase Lincoln in connection with
the ProQuip Loan Agreement.(1)

4.32 Security Agreement, dated as of September 30, 1988,
executed by the registrant in favor of Chase
Lincoln and securing the registrant's obligations
to Chase Lincoln, including those under the UTE
and ProQuip Loan Agreements (the "Chase Lincoln
Security Agreement").(1)

4.33 First Amendment to Loan Agreement, dated as
of February 21, 1990, amending certain provisions
of the ProQuip Loan Agreement.(1)

4.34 Form of Note, in the amount of $3,375,817.80,
executed by the registrant on February 21, 1990
to evidence its indebtedness under the ProQuip
Loan Agreement.(1)

4.35 Amendment Number One to Security Agreement,
executed by the registrant on February 21, 1990,
amending the Chase Lincoln Security Agreement.(1)

4.36 Mortgage, dated February 21, 1990, executed
by the registrant in favor of Chase Lincoln
and securing the registrant's obligations
to Chase Lincoln, including those under the
UTE and ProQuip Loan Agreements.(1)

4.37 Second Amendment to Loan Agreement, dated
as of January 1, 1991, amending certain
provisions of the ProQuip Loan Agreement. (2)

4.38 Mortgage Modification and Allocation Agreement,
dated January 1, 1991, executed by the registrant

and Chase Lincoln.(2)

4.40 Form of Payment Guaranty, dated as of
September 1, 1988 [as of September 30, 1988,
in the case of ProQuip, Inc.], executed by the
subsidiaries of the registrant in favor of Chase
Lincoln and guaranteeing payment of the
registrant's obligations to Chase Lincoln,
including those under the UTE and ProQuip Loan
Agreements.(1)

4.41 Form of Negative Pledge Agreement, dated as
of September 30, 1988, executed by the
subsidiaries of the registrant in favor of
Chase Lincoln in connection with the
ProQuip Loan Agreement.(1)

4.42 Form of Security Agreement, dated as of
September 30, 1988, executed by the
subsidiaries of the registrant in favor of
Chase Lincoln and securing the registrant's
obligations to Chase Lincoln, including those
under the UTE and ProQuip Loan Agreements.(1)

4.43 Acknowledgment, Confirmation and Further
Agreement, made as of February 21, 1990,
executed by the subsidiaries of the registrant
in favor of Chase Lincoln with respect to the
registrant's obligations under the UTE and
ProQuip Loan Agreements.(1)

4.50 Debt Restructure Agreement, made as of
February 21, 1990, between the registrant,
Chase Lincoln, and Manufacturers Hanover Trust
Company ("Manufacturers Hanover"), providing for
a restructuring of the registrant's indebtedness
to Chase Lincoln under the UTE and ProQuip Loan
Agreements and of the registrant's outstanding
indebtedness to Manufacturers Hanover (the
"MHTCo. Existing Debt"), among other things.(1)

4.55 Second Amendment to Debt Restructure Agreement,
made as of January 1, 1991, between the registrant,
Chase Lincoln, and Manufacturers Hanover, amending
certain provisions of the Debt Restructure
Agreement.(2)

4.56 Second Debt Restructure Agreement, as of
July 22, 1992, between the registrant,
Chase Lincoln First Bank, N. A. ("CLFB"),
and Chemical Bank ("Chemical"), as successor in
interest to Manufacturers Hanover Trust Company,
providing for a restructuring of the registrant's
indebtedness to CLFB under the UTE and ProQuip
Loan Agreements and of the registrant's outstanding
indebtedness to Chemical, among other things.(3)

4.63 Promissory Note, in the amount of $4,000,000
and dated July 22, 1992, executed by the registrant

to evidence its indebtedness to Chemical from
time to time with respect to a line of credit
in such amount (The Chemical Line of Credit).(3)

4.64 Form of Payment Guaranty, dated as of July
24, 1992, executed by Masco Corporation in
favor of Chemical and guaranteeing payment
of the registrant's obligations to Chemical
under the Chemical Line of Credit.(3)


4.65 Promissory Note, in the amount of
$4,000,000 and dated October 31, 1994,
extending the maturity date of the
Promissory note dated July 22, 1992,
executed by the registrant to evidence its
indebtedness to Chemical under The Chemical
Line of Credit.(8)

4.66 Promissory Note, in the amount of $4,000,000
and dated October 31, 1995, extending the
maturity date of the Promissory note dated
October 31, 1994, executed by the registrant to
evidence its indebtedness to Chemical under The
Chemical Line of Credit.(9)

4.67 Form of Payment Guaranty, dated October 31,
1995 executed by Masco Corporation in favor of
Chemical and guaranteeing payment of the
registrant's obligations to Chemical under the
Chemical Line of Credit.(9)

4.80 Amended and Restated Loan Agreement, dated
as of July 22, 1992, between the registrant
and Chase Lincoln First Bank, N.A., which
amends, restates, combines, and supersedes
in full the UTE and the ProQuip loan
agreements.(3)

4.81 Form of Note, in the amount of $5,000,000,
executed by the registrant on July 24, 1992
to evidence its indebtedness to CLFB under
the July 22, 1992 Loan Agreement.(3)

4.82 Form of Note, in the amount of $7,984,770,
executed by the registrant on July 24, 1992
to evidence its indebtedness to CLFB under
the July 22, 1992 Loan Agreement.(3)

4.83 Additional Mortgage Note, dated July 24,
1992, executed by the registrant in favor
of CLFB and securing the registrant's
obligation to CLFB under the Loan Agreement.(3)

4.84 Additional Mortgage and Security Agreement,
dated as of July 22, 1992, executed by the
registrant in favor of CLFB and securing
the registrant's obligations to CLFB.(3)


4.85 Mortgage Consolidation, Spreader, Modification
Extension and Security Agreement, dated July
22, 1992, executed by the registrant and
CLFB.(3)

4.86 Confirmation of Guaranties and Security
Agreements, dated July 22, 1992, executed
by subsidiaries of the registrant in favor
of CLFB with respect to the registrant's
obligations to CLFB.(3)

4.87 Consent and waiver, dated December 21, 1993,
from CLFB to the registrant with respect to the
Amended and Restated Loan Agreement.(5)

4.88 Amendment One to Amended and Restated Loan
Agreement, dated as of August 1, 1994, between
the registrant and Chase Manhattan Bank, N. A.
which amends the Amended and Restated Loan
Agreement to defer the payment due on June 30,
1994.(6)

4.89 Amendment Two to Amended and Restated Loan
Agreement with waiver, dated as of November
22,1994, between the registrant and Chase
Manhattan Bank, N. A. which amends the Amended
and Restated Loan Agreement and waives any
existing defaults.(8)

4.90 Additional Mortgage and Security Consolidation
Agreement, dated as of October 6, 1995 executed
by the registrant in favor of Chase Manhattan
Bank, N.A. and securing the registrant's
obligations to Chase Manhattan Bank, N.A.(9)

4.91 Form of Note, in the amount of $340,000,executed
by the registrant on October 6, 1995 to evidence
its indebtedness to Chase Manhattan Bank, N.A.
under the July 22, 1992 Loan Agreement.(9)

4.92 Amendment Three to Amended and Restated Loan
Agreement with waiver, dated as of November
30,1995, between the registrant and Chase
Manhattan Bank, N. A. which amends the Amended
and Restated Loan Agreement and waives any
existing defaults.(9)

4.93 Credit Agreement dated as of September 22, 1998
among Mechanical Technology Incorporated and
KeyBank National Association ("KeyBank").

4.94 Security Agreement, dated as of September 22,
1998, executed by the registrant in favor of
KeyBank and securing the registrant's
obligations to KeyBank.

4.95 Security Agreement, dated as of September 22,
1998, executed by Ling Electronics, Inc. (a
wholly-owned subsidiary of the registrant) in

favor of KeyBank and securing the registrant's
obligations to KeyBank.

4.96 Guaranty of Payment and Performance, dated as of
September 22, 1998, executed by Ling Electronics,
Inc. (a wholly-owned subsidiary of the
registrant) in favor of KeyBank and guaranteeing
payment of the registrant's obligations to
KeyBank.

10.1 Mechanical Technology Incorporated Restricted
Stock Incentive Plan-filed as Exhibit 28.1 to
the registrant's Form S-8 Registration
Statement No. 33-26326 and incorporated herein
by reference.

10.3 MTI Employee 1982 Stock Option Plan.(1)

10.4 Agreement, dated December 21, 1993, between
UTE, First Commercial Credit Corporation
("FCCC") and the registrant, relating to an
advance against certain receivables.(5)

10.6 Agreement, dated June 2, 1993, between the
registrant and Mr. Harry Apkarian, Director,
regarding his employment.(5)

10.7 Agreement, dated February 22, 1994, between
the registrant and Mr. R. Wayne Diesel,
President and Chief Executive Officer,
regarding his employment.(8)

10.8 Agreement, dated December 14, 1994, between
FCCC and the registrant, modifying the Agreement
dated December 21, 1993 relating to an
advance against certain receivables.(8)

10.9 Agreement, dated May 30, 1995, between FCCC
and the registrant, extending the maturity of
the Agreement dated December 14, 1994 relating
to an advance against certain receivables.(9)

10.10 Agreement, dated June 28, 1995, between FCCC
and the registrant, extending the maturity of
the Agreement dated December 14, 1994 relating
to an advance against certain receivables.(9)

10.11 Agreement, dated September 21,1995, between FCCC
and the registrant, extending the maturity of
the Agreement dated December 14,1994 relating to
an advance against certain receivables.(9)

10.12 Agreement, dated October 25, 1995, between FCCC
and the registrant, extending the maturity of
the Agreement dated December 14, 1994 relating
to an advance against certain receivables.(9)

10.13 Agreement, dated December 27, 1995, between
FCCC and the registrant, extending the maturity

of the Agreement dated December 14, 1994
relating to an advance against certain
receivables.(9)

10.14 Mechanical Technology Incorporated Stock
Incentive Plan - included as Appendix A to the
registrant's Proxy Statement, filed pursuant to
Regulation 14A, for its December 20, 1996
Special Meeting of Shareholders and
incorporated herein by reference. (10)

10.15 Agreement, dated December 6, 1996, between
the registrant and Mr. Martin J. Mastroianni,
President and Chief Operating Officer,
regarding his employment. (10)

10.16 Settlement Agreement and Release, dated as of
December 27, 1996, between First Albany
Companies Inc. and the registrant, with respect
to the registrant's indebtedness and
obligations under the Agreement dated December
14, 1994 between FCCC and the registrant
relating to an advance against certain receivables. (10)

10.17 Agreement, dated March 14, 1997, between the
Registrant and Mr. James Clemens, Vice President
and General Manager of Ling Electronic, Inc.,
regarding his employment. (11)

10.18 Limited Liability Company Agreement of Plug
Power, L.L.C., dated June 27, 1997, between
Edison Development Corporation and Mechanical
Technology, Incorporated. (12)(13)

10.19 Contribution Agreement, dated June 27, 1997,
between Mechanical Technology, Incorporated and
Plug Power, L.L.C. (12)(13)

10.20 Asset Purchase Agreement, dated as of September
22, 1997, between Mechanical Technology,
Incorporated and Noonan Machine Company. (12)

10.21 Asset Purchase Agreement between MTI and NYFM,
Incorporated, dated as of March 31, 1998. (14)

10.22 Option Agreement-Contribution Match between Plug
Power, L.L.C. and MTI, dated as of April 24,
1998. (14)

10.23 Option Agreement-Contribution Match between Plug
Power, L.L.C. and MTI, dated as of June 15,
1998. (14)

10.24 Contribution Agreement between Edison
Development Corporation and MTI, dated as of
June 10, 1998. (14)

10.25 Form of Notice of Guaranteed Delivery for
Subscription Certificate. (14)

10.26 Form of American Stock Transfer & Trust Co.
Agency Agreement. (14)

10.27 Form of Instructions for Subscription
Certificate. (14)

10.28 Agreement between Mechanical Technology, Inc.
and Malone & Tate Builders, Inc. for Building 1
Construction. (15)

10.29 Mechanical Technology, Incorporated/Plug Power,
L.L.C. Lease for Building III. (15)

21 Subsidiaries of the registrant.

27 Financial Data Schedule

______________________
Certain exhibits were previously filed (as indicated below) and are
incorporated herein by reference. All other exhibits for which no
other filing information is given are filed herewith:

(1) Filed as an Exhibit (bearing the same exhibit number) to the
registrant's Form 10-K Report, as amended, for its fiscal year ended
September 30, 1989.

(2) Filed as an Exhibit (bearing the same exhibit number) to the
registrant's Form 10-Q Report for its fiscal quarter ended December
29, 1990.

(3) Filed as an Exhibit (bearing the same exhibit number) to the
registrant's Form 10-Q Report for its fiscal quarter ended June 27,
1992.

(4) Filed as an Exhibit (bearing the same exhibit number) to the
registrant's Form 10-K Report for its fiscal year ended September 30,
1991.

(5) Filed as an Exhibit (bearing the same exhibit number) to the
registrant's Form 10-K Report for its fiscal year ended September 30,
1993.

(6) Filed as an Exhibit (bearing the same exhibit number) to the
registrant's Form 10-Q Report for its fiscal quarter ended July 2,
1994.

(7) Filed as an Exhibit (bearing the same exhibit number) to the
registrant's Form 8-K Report dated November 23, 1994.

(8) Filed as an Exhibit (bearing the same exhibit number) to the
registrant's Form 10-K Report for its fiscal year ended September 30,
1994.

(9) Filed as an Exhibit (bearing the same exhibit number) to the
registrant's Form 10-K Report for its fiscal year ended September 30,
1995.

(10) Filed as an Exhibit (bearing the same exhibit number) to the
registrant's Form 10-K Report for its fiscal year ended September

30, 1996.

(11) Filed as an Exhibit (bearing the same exhibit number) to the
registrant's Form 8-K Report dated May 12, 1997.

(12) Filed as an Exhibit (bearing the same exhibit number) to the
registrant's Form 10-K Report for the fiscal year ended September
30,1997.

(13) Refiled herewith after confidential treatment request with
respect to certain schedules and exhibits was denied by the
Commission. Confidential treatment with respect to certain
schedules and exhibits was granted.

(14) Filed as an Exhibit (bearing the same exhibit number) to the
registrant's Form S-2 dated August 18, 1998.

(15) Filed as an Exhibit (bearing the same exhibit number) to the
registrant's Report on Form 10-Q for the period ended June 26,
1998.

(a) (2) Schedule. The following consolidated financial statement
schedule for each of the three years in the period ended September 30,
1998 is included pursuant to Item 14(d):

Report of Independent Accountants on Financial Statements
Schedule

Schedule II--Valuation and Qualifying Accounts

(a) (3) One report on Form 8-K was filed during the quarter ending
September 30, 1998.

The Company filed a Form 8-K Report, dated September 10, 1998,
reporting under item 5 thereof Plug Power LLC's (a joint venture
between MTI and DTE) its preliminary approval from its Board of
Managers concerning its understanding with GE Power Systems, to
brand, market and distribute Plug Power's residential fuel cells
through a joint venture marketing subsidiary.


SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities
Exchange Act of 1934, the registrant has duly caused this report to be
signed on its behalf by the undersigned, thereunto duly authorized.

MECHANICAL TECHNOLOGY INCORPORATED


Date: December 16, 1998 By: /s/ G.C. McNamee
George C. McNamee
Chief Executive Officer

Pursuant to the requirements of the Securities Exchange Act of 1934, this
report has been signed below by the following persons on behalf of the
registrant and in the capacities and on the dates indicated.

SIGNATURE TITLE DATE

/s/ George C. McNamee Chief Executive Officer and
George C. McNamee Chairman of the Board of Directors 12/16/98

/s/ Cynthia A. Scheuer Chief Financial Officer
Cynthia A. Scheuer (Principal Financial and Accounting
Officer) "

/s/ Dale W. Church Director "
Dale W. Church

/s/ Edward A. Dohring Director "
Edward A. Dohring

/s/ Alan P. Goldberg Director "
Alan P. Goldberg

/s/ E. Dennis O'Connor Director "
E. Dennis O'Connor

/s/ Walter L. Robb Director "
Dr. Walter L. Robb

/s/ Beno Sternlicht Director "
Dr. Beno Sternlicht


REPORT OF INDEPENDENT ACCOUNTANTS
ON FINANCIAL STATEMENT SCHEDULES


To the Board of Directors and Shareholders
of Mechanical Technology Incorporated


Our audits of the consolidated financial statements referred to in our
report dated November 6, 1998 appearing on page F-2 of this Form 10-K of
Mechanical Technology Incorporated also included an audit of the
financial statement schedule listed in Item 14(a)(2) of this Form 10-K.
In our opinion, this financial statement schedule presents fairly, in
all material respects, the information set forth therein when read in
conjunction with the related consolidated financial statements.



/s/ PricewaterhouseCoopers L.L.P.

Albany, New York
November 6, 1998

SCHEDULE II

MECHANICAL TECHNOLOGY INCORPORATED AND SUBSIDIARIES
VALUATION AND QUALIFYING ACCOUNTS
(DOLLARS IN THOUSANDS)

Additions
Balance at Charged to Charged Balance
beginning costs and to other at end of
Description of period expenses accounts Deductions period

Allowance for
doubtful accounts

Year ended
September 30:

1998 $ 94 $ 95 $ - $ 90 $ 99
1997 73 49 - 28 94
1996 58 26 - 11 73

Valuation allowance
for deferred tax assets

Year ended
September 30:

1998 $ 2,754 $ 1,335 $ - $ - $ 4,089
1997 4,264 - - 1,510 2,754
1996 5,565 - - 1,301 4,264

Includes accounts written off as uncollectible, recoveries and the effect
of currency exchange rates.


MECHANICAL TECHNOLOGY INCORPORATED AND SUBSIDIARIES
INDEX TO CONSOLIDATED FINANCIAL STATEMENTS


Page

Report of Independent Accountants. . . . . . . . . . . F-2


Consolidated Financial Statements:


Balance Sheets as of September 30, 1998 and 1997 . . F-3 & F-4

Statements of Operations for the Years Ended
September 30, 1998, 1997 and 1996 . . . . . . . . F-5


Statements of Shareholders' Equity for the Years Ended
September 30, 1998, 1997 and 1996 . . . . . . . . F-6


Statements of Cash Flows for the Years Ended
September 30, 1998, 1997 and 1996 . . . . . . . .F-7 - F-8


Notes to Consolidated Financial Statements . . . . . F-9 - F-29

Separate financial statements of the registrant alone are omitted because
the registrant is primarily an operating company and all subsidiaries
included in the consolidated financial statements being filed, in the
aggregate, do not have minority equity interest and/or indebtedness to any
person other than the registrant or its consolidated subsidiaries in
amounts which together exceed 5% of the total assets as shown by the most
recent year-end consolidated balance sheet.



REPORT OF INDEPENDENT ACCOUNTANTS



To the Board of Directors and Shareholders
of Mechanical Technology Incorporated

In our opinion, the accompanying consolidated balance sheets and the
related consolidated statements of operations and retained earnings and of
cash flows present fairly, in all material respects, the financial
position of Mechanical Technology Incorporated and Subsidiaries at
September 30, 1998 and 1997, and the results of their operations and their
cash flows for each of the three years in the period ended September 30,
1998, in conformity with generally accepted accounting principles. These
financial statements are the responsibility of the Company's management;
our responsibility is to express an opinion on these financial statements
based on our audits. We conducted our audits of these statements in
accordance with generally accepted auditing standards which require that
we plan and perform the audit to obtain reasonable assurance about whether
the financial statements are free of material misstatement. An audit
includes examining, on a test basis, evidence supporting the amounts and
disclosures in the financial statements, assessing the accounting
principles used and significant estimates made by management, and
evaluating the overall financial statement presentation. We believe that
our audits provide a reasonable basis for the opinion expressed above.



/s/ PricewaterhouseCoopers L.L.P.


Albany, New York
November 6, 1998


























MECHANICAL TECHNOLOGY INCORPORATED AND SUBSIDIARIES
CONSOLIDATED BALANCE SHEETS
September 30, 1998 and 1997


(Dollars in thousands)
Restated
1998 1997
------- --------
ASSETS


CURRENT ASSETS

Cash and cash equivalents $ 5,567 $ 1,421
Accounts receivable, less allowance of
$99 (1998) and $94 (1997) 4,959 4,482

Accounts receivable - Joint Venture 87 -

Inventories 3,748 3,386
Taxes receivable 8
Note receivable - current 327 315
Prepaid expenses and other current assets 472 102
Net assets of a discontinued operation 8 3,186
------- --------

Total Current Assets 15,176 12,892


Property, Plant and Equipment, net 4,467 749

Note receivable - noncurrent 264 335

Investment in Joint Venture 1,221 27
------- --------

Total Assets $21,128 $ 14,003
======= ========
















The accompanying notes are an integral part of the consolidated financial
statements.



MECHANICAL TECHNOLOGY INCORPORATED AND SUBSIDIARIES
CONSOLIDATED BALANCE SHEETS (Continued)
September 30, 1998 and 1997

(Dollars in thousands)
Restated
1998 1997
------- --------
LIABILITIES AND SHAREHOLDERS' EQUITY

CURRENT LIABILITIES
Income taxes payable $ 5 $ 73
Accounts payable 2,064 1,389
Accrued liabilities 3,328 3,734
Contribution payable-Joint Venture 4,000 -

Total Current Liabilities 9,397 5,196

LONG-TERM LIABILITIES
Deferred income taxes and other credits 607 594
------- --------

Total Liabilities $10,004 $ 5,790
------- --------

COMMITMENTS AND CONTINGENCIES

SHAREHOLDERS' EQUITY
Common stock, par value $1 per share,
authorized 15,000,000; issued
7,182,645 (1998) and 5,908,661 (1997) 7,183 5,909
Paid-in capital 19,866 13,923
Deficit (15,885) (11,569)
------- --------
11,164 8,263
Foreign currency translation adjustment (11) (19)
Common stock in treasury, at cost,
3,000 shares (1998 and 1997) (29) (29)
Restricted stock grants - (2)
------- --------

Total Shareholders' Equity 11,124 8,213
------- --------

Total Liabilities and Shareholder's Equity $21,128 $ 14,003
======= ========









The accompanying notes are an integral part of the consolidated financial
statements.


MECHANICAL TECHNOLOGY INCORPORATED AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF OPERATIONS
For the Years Ended September 30, 1998, 1997 and 1996
(Dollars in thousands, except per share)

Restated Restated
1998 1997 1996
------- -------- --------
Net sales $21,028 $ 24,102 $ 22,755
Cost of sales 12,386 14,474 13,925
------- -------- --------
Gross profit 8,642 9,628 8,830

Selling, general and
administrative expenses 5,812 7,015 7,071
Product development
and research costs 831 1,020 690
------- -------- --------
Operating income 1,999 1,593 1,069

Interest expense (102) (323) (790)
Gain on sale of division
/subsidiary - 2,012 750
Equity in joint venture loss (3,806) (330) -
Other (expense)income, net (97) (251) (356)
------- -------- --------
(Loss)Income from continuing
operations before extraordinary
item and income taxes (2,006) 2,701 673

Income tax expense 25 143 75
------- -------- --------
(Loss)Income from continuing
operations before extraordinary
item (2,031) 2,558 598
Extraordinary Item- gain on
extinguishment of debt, net
of taxes ($106) - 2,507 -
------- -------- --------
(Loss)Income from continuing
operations (2,031) 5,065 598
(Loss)Income from discontinued
operations (2,285) (545) 3,150
------- -------- --------
Net(loss)income $(4,316) $ 4,520 $ 3,748
======= ======== ========

Earnings per share (Basic and Diluted):
(Loss)income before extraordinary
item $ (.35) $ .45 $ .15
Extraordinary Item - .44 -
(Loss)income on discontinued operations (.38) (.09) -
------- -------- --------

Net (Loss)income $ (.73) $ .80 $ .15
======= ======== ========

The accompanying notes are an integral part of the consolidated financial
statements.

MECHANICAL TECHNOLOGY INCORPORATED AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY
For the Years Ended September 30, 1998, 1997 and 1996
(Dollars in thousands)

Restated Restated
1998 1997 1996
-------- -------- --------
COMMON STOCK
Balance, October 1 $ 5,909 $ 4,902 $ 3,569
Issuance of shares - options 78 - -
Issuance of Shares 1,196 1,007 1,333
-------- -------- --------
Balance, September 30 $ 7,183 $ 5,909 $ 4,902
======== ======== ========
PAID-IN-CAPITAL
Balance, October 1 $ 13,923 $ 13,423 $ 12,856
Issuance of shares - options 147 - -
Issuance of shares 5,796 500 567
-------- -------- --------
Balance, September 30 $ 19,866 $ 13,923 $ 13,423
======== ======== ========

DEFICIT
Balance, October 1 $(11,569) $(16,089) $(19,837)
Net(loss)income (4,316) 4,520 3,748
-------- -------- --------
Balance, September 30 $(15,885) $(11,569) $(16,089)
======== ======== ========

FOREIGN CURRENCY TRANSLATION ADJUSTMENT
Balance, October 1 $ (19) $ (19) $ (20)
Adjustments 8 - 1
-------- -------- --------
Balance, September 30 $ (11) $ (19) $ (19)
======== ======== ========

TREASURY STOCK
Balance, October 1 $ (29) $ (29) $ (29)
Restricted stock grants - - -
-------- -------- --------
Balance, September 30 $ (29) $ (29) $ (29)
======== ======== ========

RESTRICTED STOCK GRANTS
Balance, October 1 $ (2) $ (24) $ (29)
Grants issued/vested,net 2 22 5
-------- -------- --------
Balance, September 30 $ - $ (2) $ (24)
======== ======== ========
SHAREHOLDERS' EQUITY
September 30 $ 11,124 $ 8,213 $ (2,164)
======== ======== ========



The accompanying notes are an integral part of the consolidated financial
statements.


MECHANICAL TECHNOLOGY INCORPORATED AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF CASH FLOWS
For The Years Ended September 30, 1998, 1997 and 1996
(Dollars in thousands)
Restated Restated
1998 1997 1996
------- -------- --------
OPERATING ACTIVITIES
(Loss)Income from continuing
operations $(2,031) $ 5,065 $ 598
Adjustments to reconcile net income
to net cash provided (used) by
continuing operations:
Depreciation and amortization 323 243 233
Gain on extinguishment of debt,
net of taxes - (2,507) -
Gain on sale of subsidiaries - (2,012) (750)
Equity in joint venture loss 3,806 330 -
Accounts receivable reserve 5 21 15
Loss on sale of fixed assets 9 - -
Deferred income taxes and other credits 13 (170) (15)
Other - 31 29
Changes in operating assets and liabilities net
of effects from discontinued operations:
Accounts receivable (1,069) (44) (1,635)
Inventories (362) 228 (664)
Escrow deposit - - 750
Prepaid expenses and other current
assets (374) (18) 240
Accounts payable 788 (87) 97
Income taxes (76) (49) 4
Accrued liabilities (519) 58 1,049
------- -------- --------
Net cash provided (used) by
continuing operations 513 1,089 (49)
------- -------- --------
Discontinued Operations:
(Loss)/Income from discontinued
operations (2,285) (574) 3,150
Adjustments to reconcile income to net cash
provided (used) by discontinued operations:
Changes in net assets/liabilities
of discontinued operations 3,178 31 (1,598)
Net assets transferred from
discontinued operations (878) - -
------- -------- --------
Net cash provided (used) by discontinued
operations 15 (543) 1,552
------- -------- --------
Net cash provided by operations 528 546 1,503
------- -------- --------
INVESTING ACTIVITIES
Purchases of property, plant &
equipment (3,166) (377) (170)
Proceeds from sale of subsidiaries - 2,600 750
Principal payments from note receivable 59 - -
Note receivable Plug Power (500) - -
------- -------- --------


Net cash (used)provided by investing
activities (3,607) 2,223 580
------- -------- --------
FINANCING ACTIVITIES
Private placement of common stock,
net expenses - - 1,900
Proceeds from options exercised 225 - -
Proceeds from rights offering 7,178 - -
Costs of rights offering (186) - -
Net (payments) under line-of-credit
and note agreement - (100) (3,308)
Principal payments on long-term debt - (1,310) (688)
------- -------- --------
Net cash provided(used)by financing
activities 7,217 (1,410) (2,096)
------- -------- --------
Effect of exchange rate changes on
cash flows 8 - 1
Increase (decrease) in cash and
cash equivalents 4,146 1,359 (12)
Cash and cash equivalents -
beginning of year 1,421 62 74
------- -------- --------
Cash and cash equivalents -
end of year $ 5,567 $ 1,421 $ 62
======= ======== ========











The accompanying notes are an integral part of the consolidated financial
statements.




MECHANICAL TECHNOLOGY INCORPORATED AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF CASH FLOWS (continued)
For The Years Ended September 30, 1998, 1997 and 1996
(Dollars in thousands)


Restated Restated
1998 1997 1996
------- -------- --------
Supplemental Disclosures

NONCASH INVESTING ACTIVITIES

Contribution of net assets to
joint venture
Accounts receivable $ 500 $ - $ -
Note receivable 500 - -
Inventories - 1 -
Property, plant and equipment, net - 452 -
Accounts payable - (46) -
Accrued liabilities - (50) -
Contribution payable -
Joint Venture 4,000 - -
------- -------- --------

$ 5,000 $ 357 $ -
------- -------- --------
Proceeds from sale of subsidiary
Notes receivable $ - $ 650 $ -
------- -------- --------

Net noncash provided(used) in
investing activities $ 5,000 $ 1,007 $ -
------- -------- --------

NONCASH FINANCING ACTIVITIES

Conversion of Note Payable to
Common Stock
Note Payable extinguishment $ - $ (3,000) $ -
Common stock issued - 1,500 -
Accrued interest - Note Payable - (1,213) -
------- -------- --------
Net noncash used in financing
activities $ - $ (2,713) $ -
------- -------- --------

Net noncash provided(used)in
investing/financing activities $ 5,000 $ (1,706) $ -
======= ======== ========
























The accompanying notes are an integral part of the consolidated financial
statements.



MECHANICAL TECHNOLOGY INCORPORATED AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(1) Accounting Policies

Principles of Consolidation

The consolidated financial statements include the accounts of the Company
and its subsidiaries. All significant intercompany transactions and
accounts have been eliminated. The Company has a 50% interest in a joint
venture. The consolidated financial statements include the Company's
investments in the joint venture (including obligations to invest), plus
its share of undistributed earnings/losses. The investment is included in
the financial line "Investment in Joint Venture".

Use of Estimates

The preparation of the consolidated financial statements in conformity
with generally accepted accounting principles requires management to make
estimates and assumptions that affect the reported amounts of assets and
liabilities and disclosure of contingent assets and liabilities at the
date of the consolidated financial statements and the reported amounts of
revenues and expenses during the reporting period. Actual results could
differ from those estimates.

Financial Instruments

The fair value of the Company's financial instruments including cash and
cash equivalents, line-of-credit, note payable and long-term debt,
approximates carrying value. Fair values were estimated based on quoted
market prices, where available, or on current rates offered to the Company
for debt with similar terms and maturities.

Inventories

Inventories are stated at the lower of cost (first-in, first-out) or
market.

Property, Plant, and Equipment

Property, plant and equipment are stated at cost and depreciated using
primarily the straight-line method over their estimated useful lives
ranging from 3 to 40 years. Significant additions or improvements
extending assets' useful lives are capitalized; normal maintenance and
repair costs are expensed as incurred. The cost of fully depreciated
assets remaining in use are included in the respective asset and
accumulated depreciation accounts. When items are sold or retired,
related gains or losses are included in net income.










MECHANICAL TECHNOLOGY INCORPORATED AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(1) Accounting Policies (continued)

Income Taxes

The Company accounts for taxes in accordance with Financial Accounting
Standard No. 109, "Accounting for Income Taxes," which requires the use of
the asset and liability method of accounting for income taxes. Under the
asset and liability method, deferred income taxes are recognized for the
tax consequences of "temporary differences" by applying enacted statutory
tax rates applicable for future years to differences between financial
statement and tax bases of existing assets and liabilities. Under FAS No.
109, the effect of tax rate changes on deferred taxes is recognized in the
income tax provision in the period that includes the enactment date. The
provision for taxes is reduced by investment and other tax credits in the
years such credits become available.

Revenue Recognition

Sales of products are recognized when products are shipped to customers.
Sales of products under long-term contracts are recognized under the
percentage-of-completion method. Percentage-of-completion is based on the
ratio of incurred costs to current estimated total costs at completion.
Total contract losses are charged to operations during the period such
losses are estimable.

Foreign Currency Translation

Assets and liabilities of the foreign subsidiary are translated at year-
end rates of exchange, and revenues and expenses are translated at the
average rates of exchange for the year. Gains or losses resulting from the
translation of the foreign subsidiary's balance sheet are accumulated in a
separate component of shareholders' equity.

Cash and Cash Equivalents

Cash and cash equivalents consist of cash and highly liquid short-term
investments with maturities of less than three months.

Earnings (Loss) Per Share

Effective October 1, 1997, the Company adopted Financial Accounting
Standard No. 128, "Earnings per Share." In accordance with this Standard,
net income(loss) per share is computed using the weighted average number
of common shares outstanding during each year. Diluted net income(loss)
per share includes the effects of all potentially dilutive securities.
Earnings per share amounts for all periods presented have been computed in
accordance with this Standard.












MECHANICAL TECHNOLOGY INCORPORATED AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(1) Accounting Policies (continued)

Advertising

The costs of advertising are expensed as incurred. Advertising expense
was approximately $83, $92 and $82 thousand in 1998, 1997, and 1996,
respectively.

Asset Impairment

The Company adopted SFAS No. 121, "Accounting For The Impairment of Long-
Lived Assets and for Long-Lived Assets To Be Disposed Of." This statement
requires companies to record impairments to long-lived assets, certain
identifiable intangibles, and related goodwill when events or changing
circumstances indicate a probability that the carrying amount of an asset
may not be fully recovered. Impairment losses are recognized when
expected future cash flows are less than the asset's carrying value.

Reclassification and Restatement

Certain 1997 and 1996 amounts have been reclassified to conform with the
1998 presentation. The financial statements for 1997 and 1996 have also
been restated to reflect the discontinuance of the Company's Technology
Division (See Note 15).

(2) Inventories

Inventories consist of the following:

(Dollars in thousands) 1998 1997
-------- --------

Finished goods $ 112 $ 205
Work in process 791 967
Raw materials, components and assemblies 2,845 2,214
-------- --------
$ 3,748 $ 3,386
======== ========
(3) Property, Plant and Equipment

Property, plant and equipment consists of the following:

(Dollars in thousands) 1998 1997
-------- --------

Land and improvements $ 125 $ -
Buildings and improvements 6,111 -
Leasehold improvements 517 568
Machinery and equipment 4,285 3,092
Office furniture and fixtures 866 579
-------- --------
11,904 4,239



MECHANICAL TECHNOLOGY INCORPORATED AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(3) Property, Plant and Equipment (continued)

(Dollars in thousands) 1998 1997
-------- --------

Less accumulated depreciation 7,437 3,490
-------- --------
$ 4,467 $ 749
======== ========

At the beginning of 1998, assets with a net book value of $878 thousand
consisting primarily of land, building and management information systems
were transferred from discontinued operations to continuing operations.

Construction in progress, included in buildings and improvements, was
approximately $1,371 thousand in 1998.

At the end of 1998, the Company was committed to approximately $2,856
thousand of future expenditures for new equipment and facilities.

Depreciation expense was $317, $216 and $194 thousand for 1998, 1997
and 1996, respectively. Repairs and maintenance expense was $177, $175
and $182 thousand for 1998, 1997 and 1996, respectively.

The cost and accumulated depreciation of buildings and improvements
leased to Plug Power was:

(Dollars in thousands) 1998 1997 1996
-------- -------- --------

Cost $ 1,547 $ 21 $ -
Accumulated depreciation (660) (17) -
-------- -------- --------
$ 887 $ 4 $ -
======== ======== ========
(4) Notes Receivable

Notes receivable consists of the following:

(Dollars in thousands) 1998 1997
-------- --------

$250 with an interest rate of
10%, interest and principal due
September 30, 1998 (A) $ 250 $ 250

$400 with an interest rate of
10%, due in monthly installments
through September 30, 2002 341 400
-------- --------
591 650
Less: Current portion (327) (315)
-------- --------

$ 264 $ 335
======== ========

MECHANICAL TECHNOLOGY INCORPORATED AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(4) Notes Receivable (continued)

(A) The principal amount of this note may be reduced in accordance with
the terms of the note in the event of a sale of the fixed assets. The
purchaser has requested that the principal amount of the note be reduced
to reflect the resale value of certain assets of L.A.B. The Company is
enforcing its rights with respect to the note and is currently negotiating
the collection of this note.

(5) Investment in Joint Venture

On June 27, 1997, the Company and Edison Development Corp. ("EDC"), a
subsidiary of DTE Energy Co. formed a joint venture, Plug Power, L.L.C.
("Plug Power"), to further develop the Company's Proton Exchange Membrane
Fuel Cell technology. In exchange for its contribution of contracts and
intellectual property and certain other net assets that had comprised the
fuel cell research and development business activity of the Technology
segment (which assets had a net book value of $357 thousand), the Company
received a 50% interest in Plug Power. The Company's interest in Plug
Power may be reduced in certain circumstances. EDC made an initial cash
contribution of $4.75 million in exchange for the remaining 50% interest
in Plug Power. The Company's investment in Plug Power is included in the
balance sheet caption "Investment in Joint Venture"; the assets
contributed by the Company to Plug Power had previously been included in
the assets of the Company's Technology segment. See the supplemental
disclosure regarding Contribution of Net Assets to Joint Venture in the
Consolidated Statements of Cash Flows for additional information regarding
the assets contributed by the Company to Plug Power. The Company recorded
the carrying value of the net assets contributed as its initial investment
in Plug Power in recognition of the nature of the venture's undertaking.

On April 15, 1998, EDC contributed $2.25 million in cash to Plug Power.
The Company contributed a below-market lease for office and manufacturing
facilities in Latham, New York valued at $2 million and purchased a one-
year option to match the remaining $250 thousand of EDC's contribution.
In May 1998, EDC contributed an additional $2 million to Plug Power and
the Company purchased another one-year option to match that contribution.
The Company paid approximately $191 thousand for the options, which mature
in April 1999 ($250 thousand) and May 1999 ($2 million). If the Company
does not exercise its options, they will lapse.

In August, 1998, the Company committed to contribute an additional $5
million dollars (in cash, accounts receivable and research credits) to
Plug Power between August 5, 1998 and March 31, 1999 and recorded a
liability representing this obligation. Such contributions will
increase the Company's total contributions to Plug Power (including
contributions of cash, assets, research credits, and a below market
lease) to $11.75 million over the period commencing on June 27, 1997,
and ending on March 31, 1999.








MECHANICAL TECHNOLOGY INCORPORATED AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(5) Investment in Joint Venture (continued)

On August 5, 1998, the Company made a short term loan to Plug Power of
$500 thousand, which was subsequently contributed to capital on
September 23, 1998. The Company also converted $500 thousand of its
accounts receivable from Plug Power to capital on September 23, 1998.
At September 30, 1998, the remaining obligation to provide additional
funds to Plug Power was $4 million.

The Company has recorded its proportionate share of Plug Power's losses
to the extent of its recorded investment in Plug Power (including the
foregoing obligation to contribute an additional $4 million through
March 31, 1999).

At September 30, 1998, the difference between the carrying value of the
Company's investment in Plug Power and its interest in the underlying
equity consists of the following:

(Dollars in thousands)
Calculated 50% ownership $ 2,431
Unrecognized negative goodwill (2,086)
Value of below market lease contribution (2,000)
Calculated 50% of equity value under option (1,125)
Contribution liability 4,000
-------

Carrying value of Investment in Joint Venture $ 1,221
=======

(6) Income Taxes

Deferred tax assets and liabilities are determined based on the temporary
differences between the financial statement and tax bases of assets and
liabilities as measured by the enacted tax rates.

Income tax expense (benefit) for the years ended September 30, consists of
the following:

(Dollars in thousands) 1998 1997 1996
-------- -------- --------
Continuing operations
Federal $ 15 $ 62 $ 44
State 10 81 31
Deferred - - -
-------- -------- --------
25 143 75
-------- -------- --------

Discontinued operations
Federal - (17) (8)
State - (12) (3)
Deferred - - -
-------- -------- --------
- (29) (11)
======== ======== ========


MECHANICAL TECHNOLOGY INCORPORATED AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
(6) Income Taxes (continued)
(Dollars in thousands) 1998 1997 1996
-------- -------- --------
Extraordinary Item
Federal - 28 -
State - 78 -
Deferred - - -
-------- -------- --------
- 106 -
-------- -------- --------
$ 25 $ 220 $ 64
======== ======== ========
The significant components of deferred income tax expense (benefit) for
the years ended September 30, are as follows:
(Dollars in thousands) 1998 1997 1996
-------- -------- --------
Continuing operations
Deferred tax (benefit) expense $ (667) $ (356) $ (310)
Net operating loss carryforward 105 1,223 635
Valuation allowance 562 (867) (325)
-------- -------- --------
- - -
-------- -------- --------
Discontinued operations
Deferred tax (benefit) expense (508) 60 ( 52)
Net operating loss carryforward (265) (251) 1,028
Valuation allowance 773 191 (976)
-------- -------- --------
- - -
-------- -------- --------
$ - $ - $ -
======== ======== ========
Extraordinary item
Deferred tax (benefit) expense - (28) -
Net operating loss carryforward - 862 -
Valuation allowance - (834) -
-------- -------- --------
- - -
-------- -------- --------
$ - $ - $ -
======== ======== ========
The Company's effective income tax rate from continuing operations
differed from the Federal statutory rate as follows:
1998 1997 1996
-------- -------- --------
Federal statutory tax rate (34%) 34% 34%
State taxes, net of
federal tax effect - 2% 3%
Meals and entertainment - - 1%
Additional tax gain on sale of
subsidiary - - 11%
Change in valuation allowances 28% (32%) (48%)
Alternative minimum tax - 2% 7%
Other, net 7% (1%) 3%
-------- -------- --------
1% 5% 11%
======== ======== ========

MECHANICAL TECHNOLOGY INCORPORATED AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(6) Income Taxes (continued)

The deferred tax assets and liabilities as of September 30, consist of the
following tax effects relating to temporary differences and carryforwards:

(Dollars in thousands)
1998 1997
-------- --------
Current deferred tax assets:
Loss provisions for Discontinued
Operations $ 337 $ -
Bad debt reserve 96 52
Inventory valuation 161 165
Inventory capitalization 20 40
Vacation pay 66 111
Warranty and other sale obligations 25 51
Other reserves and accruals 151 358
-------- --------
856 777
Valuation allowance (856) (777)
-------- --------
Net current deferred tax assets $ - $ -
======== ========
Noncurrent deferred tax assets (liabilities):
Net operating loss $ 1,951 $ 1,791
Property, plant and equipment (9) (251)
Investment in Joint Venture 954 -
Other 187 288
Alternative minimum tax credit 150 149
-------- --------
3,233 1,977
Valuation allowance (3,233) (1,977)
Other credits (607) (594)
-------- --------
Noncurrent net deferred tax
liabilities and other credits $ (607) $ (594)
======== ========


The valuation allowance at year ended September 30, 1998 is $4,089
thousand and at September 30, 1997 was $2,754 thousand. During the year
ended September 30, 1998, the valuation allowance increased by $1,335
thousand.

At September 30, 1998, the Company has unused Federal net operating loss
carryforwards of approximately $5,738 thousand. The Federal net operating
loss carryforwards if unused will begin to expire during the year ended
September 30, 2009. The use of $5,339 thousand of these carryforwards is
limited on an annual basis, pursuant to the Internal Revenue Code, due to
certain changes in ownership and equity transactions. For the year ended
September 30, 1998, the Company has available alternative minimum tax
credit carryforward of approximately $150 thousand.

The Company made cash payments, net of refunds, for income taxes of $42,
$361 and $61 thousand for 1998, 1997 and 1996, respectively.


MECHANICAL TECHNOLOGY INCORPORATED AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(7) Accrued Liabilities

Accrued liabilities consist of the following:
(Dollars in thousands) 1998 1997
-------- --------
Salaries, wages and related expenses $ 999 $ 924
Acquisition and disposition costs 410 665
Legal and professional fees 305 445
Warranty and other sale obligations 607 329
Contingent liabilities 150 350
Accrued severance 143 300
Deferred income 267 250
Commissions 213 230
Interest expense 8 103
Other 226 138
-------- --------
$ 3,328 $ 3,734
======== ========

(8) Debt

The Company has a working capital line of credit available in the amount
of $4 million with interest payable monthly at a rate of prime (8.5% at
September 30, 1998) or LIBOR plus 2.5% (7.875% at September 30, 1998), and
a $1 million equipment loan/lease line of credit at an interest rate of
LIBOR plus 2.75% (8.125% at September 30, 1998). The lines of credit
expire on January 31, 2000. No amounts were outstanding under these lines
at September 30, 1998 and 1997.

The Industrial Development Agency for the Town of Colonie has agreed to
issue $6 million in Industrial Development Revenue ("IDR") Bonds on behalf
of the Company to assist in the construction of a new building for
Advanced Products and the Company's corporate staff and renovation of
existing buildings leased to Plug Power. The construction project is due
to be completed in April 1999. First Albany Companies Inc. ("FAC"), which
owns 34% of the Company's stock, will underwrite the sale of the IDR
Bonds. Proceeds of the IDR Bonds will be deposited with a trustee for the
bondholders. The Company may draw the bond proceeds to cover qualified
project costs. The bond closing is expected to be completed on or about
December 17, 1998. FAC will receive no fees for underwriting the IDR
Bonds but will be reimbursed for its out-of-pocket costs.

Additionally, KeyBank has agreed to issue a $6 million direct pay letter
of credit to enhance the $6 million IDR Bonds to be issued on the
Company's behalf on or about December 17, 1998. The KeyBank credit
agreements require the Company to meet certain covenants, including a
fixed charge coverage and leverage ratio. Further, if certain performance
standards are achieved, the interest rates on the debt may be reduced.









MECHANICAL TECHNOLOGY INCORPORATED AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(8) Debt (continued)

The credit agreement also requires the Company to grant a first lien on
all consolidated assets of the Company, exclusive of its investment in
Plug Power, a first mortgage on all land and buildings owned by the
Company and a first lien on any equipment purchased by the Company.

The weighted average interest rate for the Note Payable and Line of Credit
draws during 1998 was 9.02%, 10.75% during 1997 and 13.2% during 1996.

Cash payments for interest were $97, $201 and $477 thousand for 1998, 1997
and 1996, respectively.

(9) Shareholders' Equity

On September 30, 1998, the Company completed the sale of 1,196,399 shares
of common stock to current shareholders through a rights offering. The
offering raised approximately $7,178 thousand before offering costs of
approximately $186 thousand for net proceeds of approximately $6,992
thousand. The Company will use some or all of the proceeds of the
offering for investment in and/or loans to Plug Power. In addition, some
proceeds may be used for acquisitions for the Company's core businesses,
efforts to increase market share, working capital, general corporate
purposes and other capital expenditures.

The Company had a Restricted Stock Incentive Plan, which awarded
restricted Common Stock of the Company to officers and other key
employees. The Plan expired on December 31, 1994 and no further awards may
be granted. In fiscal year 1995, 32,500 shares were granted, valued at
$14,375 based on the market value of the stock at the date of grant. For
accounting purposes, the value of the grants represents compensation,
which has been deferred and is being amortized over the 5-year and 10-year
vesting periods. The shares granted during 1995 were recorded as a
component of Shareholders' Equity. The value of the grants, net of
accumulated amortization and write-offs, was $0 at September 30, 1998 and
$2 thousand at September 30, 1997.





















MECHANICAL TECHNOLOGY INCORPORATED AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(9) Shareholders' Equity (continued)

Changes in common shares for 1998, 1997 and 1996 are as follows:

Common Shares 1998 1997 1996
- ------------- -------- -------- --------
Balance, October 1 5,908,661 4,902,201 3,568,868

Issuance of shares for
stock option exercises 77,585 - -

Issuance of shares for
stock sale 1,196,399 1,000,000 1,333,333

Issuance of shares -
consultant - 6,460 -
-------- -------- --------

Balance, September 30 7,182,645 5,908,661 4,902,201
======== ======== ========

Treasury Shares

Balance, October 1 and
September 30 3,000 3,000 3,000
======== ======== ========

(10) Earnings per Share

The amounts used in computing earnings per share and the effect on income
and the weighted average number of shares of potentially dilutive
securities are as follows:

(Dollars in Thousands) 1998 1997 1996
- -------------------------------------------------------------------------------

(Loss) income before extraordinary
item and available to common
stockholders $ (2,031) $ 2,558 $ 598

Weighted average number of
shares:
Weighted average number of
shares used in net (loss)/
income per share 5,937,158 5,662,827 3,911,952
Effect of dilutive securities:
Stock options - 9,218 -
- -------------------------------------------------------------------------------
Weighted average number of
shares used in diluted net
(loss)/income per share 5,937,158 5,672,045 3,911,952
- -------------------------------------------------------------------------------





MECHANICAL TECHNOLOGY INCORPORATED AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(10) Earnings per Share (continued)

During fiscal 1998, options to purchase 404,915 shares of common stock at
prices ranging from $2.44 to $6 per share were outstanding but were not
included in the computation of Earnings per Share-assuming dilution
because the Company incurred a loss from continuing operations.
Therefore, no potential common shares are included in the computation.
The options, which expire between December 20, 2006 and August 31, 2008,
were still outstanding at September 30, 1998. During fiscal 1997,
options to purchase 195,000 shares of common stock at a price of $3.44
per share were outstanding but were not included in the computation of
Earnings per Share-assuming dilution because the exercise price was
greater than the average market price of the common shares. Therefore,
no potential common shares are included in the computation. The
options, which expire August 27, 2007 were still outstanding at
September 30, 1997.

(11) Stock Option Plan

During December 1996, the shareholders approved a new stock incentive
plan. The plan provides that an initial aggregate number of 500,000 shares
of common stock may be awarded or issued. The number of shares available
under the plan may be increased by 10% of any increase in the number of
outstanding shares of common stock for reasons other than shares issued
under this plan. During 1998 and 1997, the number of shares available
under the plan increased to 719,640 and 600,000 shares respectively.
Under the plan, the Board of Directors is authorized to award stock
options, stock appreciation rights, restricted stock, and other stock-
based incentives to officers, employees and others. Options are generally
exercisable in from one to five cumulative annual amounts beginning 12
months after the date of grant. Certain options granted may be
exercisable immediately. Option exercise prices are not less than the
market value of the shares on the date of grant. Unexercised options
generally terminate ten years after grant.

For the purpose of applying Financial Accounting Standard No. 123 ("FAS
123"), "Accounting for Stock-Based Compensation", the fair value of each
option granted is estimated on the grant date using the Black-Scholes
Single Option model. The dividend yield was 0% for 1998 and 1997,
respectively. The expected volatility was 102% in 1998 and 78% and in
1997. The expected life of the options is 5 years. The risk free interest
rate ranges from 5.52% to 5.85% in 1998 and 6.12% to 6.67% in 1997. The
Company applies Accounting Principles Board Opinion No. 25, "Accounting
for Stock Issued to Employees," in accounting for stock options.
Accordingly, no compensation cost has been recognized in 1998 or 1997.
Had compensation cost and fair value been determined pursuant to FAS 123,
net loss would increase from $(4,316) to $(4,773) thousand in 1998 and net
income would decrease from $4,520 to $4,351 thousand in 1997. Basic and









MECHANICAL TECHNOLOGY INCORPORATED AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(11) Stock Option Plan (continued)

diluted loss per share would increase from $(.73) to $(.80) in 1998 and
basic and diluted earnings per share would decrease from $0.80 to $0.76 in
1997. The weighted average fair value of options granted during 1998 and
1997 for purposes of FAS 123, is $4.70 and $1.96 per share, respectively.

Activity with respect to the plan is as follows:

1998 1997
-------- --------
Shares under option
at October 1 415,600 -
Options granted 198,500 423,100
Options exercised (77,585) -
Options canceled (131,600) (7,500)
-------- --------

Shares under option
at September 30 404,915 415,600
======== ========

Options exercisable
at September 30 180,915 76,800

Shares available for
granting of options 237,140 184,400


The weighted average exercise price is as follows:

1998 1997
-------- --------

Shares under option
at October 1 $ 2.93 $ -
Options granted 5.75 2.91
Options exercised 2.87 -
Options canceled 2.61 2.44
Shares under option at
September 30 4.37 2.91
Options exercisable at
September 30 3.96 2.93














MECHANICAL TECHNOLOGY INCORPORATED AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(11) Stock Option Plan (continued)

The following is a summary of the status of options outstanding at
September 30, 1998:

Outstanding Options Exercisable Options
- ----------------------------------- --------------------------------
Weighted
Average Weighted Weighted
Exercise Remaining Average Average
Price Contractual Exercise Exercise
Range Number Life Price Number Price

$2.44-$3.44 212,415 8.8 $3.16 110,915 $3.03
$4.09-$6.00 192,500 9.7 $5.84 70,000 $6.00

(12) Retirement Plan

The Company maintains a voluntary savings and retirement plan (Internal
Revenue Code Section 401(k) Plan) covering substantially all employees.
The Company plan allows eligible employees to contribute a percentage of
their compensation; the Company makes additional contributions in amounts
as determined by management and the Board of Directors. The investment of
employee contributions to the plan is self-directed. The cost of the plan
was $83, $179 and $187 thousand for 1998, 1997 and 1996, respectively.

(13) Commitments and Contingencies

During October 1998, a legal action brought by a group of investors
against the Company related to a stock purchase agreement and side letter
agreements for the sale of the stock of the Company's wholly owned
subsidiary, Ling Electronics, Inc. ("Ling"), was determined in favor of
the Company.

In February 1995, Ling, made a voluntary disclosure to the United States
Department of Commerce regarding unlicensed exports of certain products
shipped in the first four months of fiscal 1995. Ling has fully cooperated
with the Office of Export Enforcement, which has not taken any action to
date. Possible administrative sanctions include: no action; a warning
letter; denial of export privileges; and/or imposition of civil penalties.
Foreign sales represent a significant portion of Ling's total revenue. The
final outcome of this matter is not presently determinable and, therefore
no provision for any liability that may result has been recorded in the
Company's financial statements.













MECHANICAL TECHNOLOGY INCORPORATED AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(13) Commitments and Contingencies (continued)

Future minimum rental payments required under noncancelable operating
leases are (dollars in thousands): $386 in 1999; $424 in 2000; $433 in
2001; $438 in 2002; and $342 in 2003. Rent expense under all leases was
$403, $446 and $433 thousand for 1998, 1997 and 1996, respectively.

Future minimum rental income under non-cancelable operating sub-leases are
(dollars in thousands): $165 in 1999; $160 in 2000; $141 in 2001; $150 in
2002; and $105 in 2003.

Rental income under all sub-leases was $66, $19 and $10 thousand in 1998,
1997 and 1996, respectively.

The Company leases certain of its Latham, New York facilities to its 50
percent owned joint venture, Plug Power, L.L.C. Effective October 1,
1998, the Company has leased one building to Plug Power at below market
rent as part of its April 1998 capital contribution to Plug Power. The
lease is for ten years with an option to extend the lease for an
additional 5 years at 70 percent of the current fair market rent. Future
minimum rental income receivable under non-cancelable leases as of
September 30, 1998 are as follows:

(Dollars in thousands)

Fiscal Year Amount
- ----------- ----------

1999 $ 212
2000 212
2001 212
2002 212
2003 212
----------
$ 1,061
==========

(14) Related Party Transactions

At September 30, 1998 First Albany Companies, Inc. ("FAC") owned
approximately 34% of the Company's Common Stock (See Note 18).

During fiscal 1998 and 1997, First Albany Corporation, a wholly owned
subsidiary of FAC, provided financial advisory services in connection with
the sale of the Technology Division in 1998 and the L.A.B. Division in
1997, for which First Albany Corporation was paid fees of $10 and $75
thousand, respectively. During fiscal 1996, First Albany Corporation,
acted as placement agent in connection with a private placement of 1.3
million shares of the Company's Common Stock, pursuant to which the
Company raised approximately $1.9 million of additional capital (net of
expenses), for which First Albany Corporation was paid a $40 thousand fee.






MECHANICAL TECHNOLOGY INCORPORATED AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(14) Related Party Transactions (continued)

On June 27, 1997, the Company entered into a management services agreement
with Plug Power to provide certain services and facilities for a period of
one year. Services billed by the Company are for cost reimbursement only.

Billings under these agreements amounted to $661 and $65 thousand for 1998
and 1997, respectively. Amounts receivable from Plug Power under these
agreements are included in the balance sheet caption "Accounts receivable
- - Joint Venture". During 1998, the Company entered into leases for
manufacturing, laboratory and office space which expire at various dates
through September 30, 2008.

On August 5, 1998, the Company made a short term loan to Plug Power of
$500 thousand, which was subsequently contributed to capital on September
23, 1998. The Company also converted $500 thousand of its accounts
receivable from Plug Power to capital on September 23, 1998. At September
30, 1998, the remaining obligation to provide additional funds to Plug
Power was $4 million.

During 1996, the Company made several rental payments for laboratory space
to an officer/director of the Lawrence Insurance Group Inc. ("LIG") and
purchased various insurance coverage from LIG or companies owned directly
or indirectly by LIG totaling $453 thousand. At September 30, 1996,
several subsidiaries of LIG collectively owned approximately 16.8% of the
Company's common stock.

(15) Discontinued Operations

The sale of the Company's Technology Division, the sole component of the
Technology segment, to NYFM, Incorporated (a wholly owned subsidiary of
Foster-Miller, Inc., a Waltham, Massachusetts-based technology company) on
March 31, 1998 completed management's planned sale of non-core businesses.
Accordingly, the Company no longer includes Technology among its
reportable business segments and now operates in only one segment, Test &
Measurement. The Technology Division is reported as a discontinued
operation as of December 26, 1997, and the consolidated financial
statements have been restated to report separately the net assets and
operating results of the business. In exchange for the Technology
Division's assets, NYFM, Incorporated (a) agreed to pay the Company a
percentage of gross sales in excess of $2.5 million for a period of five
years; (b) assumed approximately $40 thousand of liabilities; and (c)
established a credit for warranty work of approximately $35 thousand.

The Company's United Telecontrol Electronics, Inc. ("UTE") subsidiary, the
sole component of the Defense/Aerospace segment, filed for voluntary
bankruptcy under Chapter 11 of the Federal Bankruptcy Code in April 1994.

During October 1994, UTE commenced an orderly liquidation and final court








MECHANICAL TECHNOLOGY INCORPORATED AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(15) Discontinued Operations (continued)

approval occurred during the third quarter of fiscal 1996. Accordingly,
the Company no longer includes Defense/Aerospace among its reportable
business segments, and since 1994 UTE has been reported as a discontinued
operation, and accordingly the consolidated financial statements have been
reclassified to report separately the net liabilities and operating
results of the business. The Company recorded the effect of the final
liquidation of UTE during fiscal year 1996. Final adjustments to the
Company's financial statements as a result of the UTE bankruptcy are
reflected in income from discontinued operations.

Discontinued operations consist of the following:

(Dollars in thousands) 1998 1997 1996
-------- -------- --------
Sales $ 532 $ 7,878 $ 9,146
======== ======== ========
(Loss)income from discontinued
operations before income tax (516) (574) 3,139
Income tax (benefit) - (29) (11)
-------- -------- --------
Net (loss)income from discontinued
operations $ (516) $ (545) $ 3,150
======== ======== ========

Loss on disposal of Division $ (1,769) - -
Income tax (benefit) - - -
-------- -------- --------
Loss on disposal of Division $ (1,769) $ - $ -
======== ======== ========

The assets and liabilities of the Company's discontinued operations are as
follows at September 30:

(Dollars in thousands) 1998 1997
-------- --------
Assets (primarily accounts receivable
at September 30, 1998) $ 1,136 $ 3,968
Liabilities (primarily accrued expenses
at September 30, 1998) 1,128 782
-------- --------
Net Assets $ 8 $ 3,186
======== ========

Assets with a net book value of $878 thousand consisting primarily of
land, building and management information systems were transferred to
continuing operations on October 1, 1997.

(16) Sale of Division/Subsidiary

L.A.B. Division

On September 30, 1997, the Company sold all of the assets of its L.A.B.
Division to Noonan Machine Company of Franklin Park, IL. The Company


MECHANICAL TECHNOLOGY INCORPORATED AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(16) Sale of Division/Subsidiary (continued)

received $2,600 thousand in cash and two notes, totaling $650 thousand,
from Noonan Machine Company. The purchaser has requested that the
principal amount of the note be reduced to reflect the resale value of
certain assets of L.A.B. The Company is enforcing its rights with respect
to the note. The net proceeds from the sale were used to pay down all
outstanding debt and build working capital.

The sale resulted in a $2,012 thousand gain, which was recorded in the
fourth quarter of fiscal year 1997. In addition, $250 thousand of the
proceeds associated with one of the notes was recorded as deferred revenue
due to contingencies associated with the realization of this note. This
note is still outstanding as of September 30, 1998.

ProQuip, Inc.

On November 22, 1994, the Company sold all of the outstanding capital
stock of its ProQuip Inc. subsidiary to Phase Metrics of San Diego, CA.

The Company received $13,250 thousand in cash from Phase Metrics and
ProQuip forgave a $316 thousand intercompany debt due from the Company.
The net proceeds from the sale were used to reduce term debt by $8,000
thousand and to increase working capital by $3,776 thousand.

The sale resulted in a $6,779 thousand gain, which was recorded during the
first quarter of fiscal year 1995. In addition, $750 thousand of the net
proceeds was escrowed to provide a fund for any indemnity payments that
the Company may be obligated to pay Phase Metrics. As of February 22, 1996
(the escrow expiration date), no claim had been filed, nor was the Company
aware of any circumstances which might give rise to future claims.
Accordingly, the Company recognized the remaining $750 thousand gain from
the sale during the second quarter of fiscal 1996.

(17) Geographic and Segment Information

The Company sells its products on a worldwide basis with its principal
markets listed in the table below where information on export sales is
summarized by geographic area for the Company as a whole:

(Dollars in thousands)

Geographic Area 1998 1997 1996
- --------------- -------- -------- --------
United States $ 17,022 $ 17,290 $ 15,050
Europe 1,072 1,223 2,909
Japan 1,534 1,243 1,321
Pacific Rim 834 1,901 1,286
China 302 1,900 1,307
Canada 228 178 341
Rest of World 36 367 541
-------- -------- --------
Total Sales $ 21,028 $ 24,102 $ 22,755
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MECHANICAL TECHNOLOGY INCORPORATED AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(17) Geographic and Segment Information (continued)

One customer accounted for 11.5% of sales during fiscal 1998.

The Company operates in one business segment, Test and Measurement, which
develops, manufactures, markets and services sensing instruments,
computer-based balancing systems for aircraft engines, vibration test
systems and power conversion products.

The accounting policies of the Test and Measurement segment are the same
as those described in the summary of significant accounting policies. The
Company evaluates performance based on profit or loss from operations
before income taxes.

The following table details information about the Test and Measurement
segment profit or loss, segment assets and shows the reconciliation of
segment data to the Company's consolidated totals. The Company does not
allocate income taxes or unusual items to segments. In addition, segments
noncash items include any depreciation and amortization in reported profit
or loss.
Reconciling
(Dollars in thousands) Test and Item: Consolidated
1998 Measurement Corporate Totals
- ---- ----------- ----------- ------------
Revenues $ 21,028 $ - $ 21,028
Interest revenue - 65 65
Interest expense - 102 102
Depreciation and
amortization 205 118 323
Equity in joint venture loss - (3,806) (3,806)
Income (loss) from
continuing operations
before tax 2,155 (4,161) (2,006)
Income (loss) from
continuing operations 2,155 (4,186) (2,031)
Loss on discontinued
operations - (2,285) (2,285)
Total income (loss) 2,155 (6,471) (4,316)
Segment assets 9,424 11,696 21,120
Net assets discontinued
operations - 8 8
Expenditures for segment
assets 202 2,964 3,166














MECHANICAL TECHNOLOGY INCORPORATED AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(17) Geographic and Segment Information (continued)
Reconciling
(Dollars in thousands) Test and Item: Consolidated
1997 Measurement Corporate Totals
- ---- ----------- ----------- ------------
Revenues $ 24,102 $ - $ 24,102
Interest revenue - - -
Interest expense - 323 323
Depreciation and
amortization 206 37 243
Equity in joint venture loss - (330) (330)
Gain on sale of
division - 2,012 2,012
Income from continuing
operations before
extraordinary item
and tax 2,414 287 2,701
Income from continuing
operations before
extraordinary item 2,411 147 2,558
Extraordinary item, net
of tax - 2,507 2,507
Loss on discontinued
operations - (545) (545)
Total income 2,411 2,109 4,520
Segment assets 8,696 2,121 10,817
Net assets discontinued
operations - 3,186 3,186
Expenditures for segment
assets 375 2 377

1996
- ----
Revenues $ 22,755 $ - $ 22,755
Interest revenue - - -
Interest expense - 790 790
Depreciation and
amortization 203 30 233
Gain on sale of
division - 750 750
Income (loss) from continuing
operations before tax 2,006 (1,333) 673
Income (loss) from
continuing operations 2,004 (1,406) 598
Income from discontinued
operations - 3,150 3,150
Total income 2,004 1,744 3,748
Segment assets 9,577 348 9,925
Net assets discontinued
operations - 3,556 3,556
Expenditures for segment assets 169 1 170






MECHANICAL TECHNOLOGY INCORPORATED AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(17) Geographic and Segment Information (continued)

The reconciling items are the amounts of revenues earned and expenses
incurred for corporate operations, which is not included in the segment
information.

(18) Extraordinary Item- Extinguishment of Debt

During fiscal 1996, FAC purchased 909,091 shares of the Company's Common
Stock from the New York State Superintendent of Insurance as the court-
ordered liquidator of United Community Insurance Company ("UCIC"). In
connection with this purchase, FAC also acquired certain rights to an
obligation ("Term Loan") due from the same finance company ("FCCC") to
whom the Company was obligated under a Note Payable, due December 31,
1996 (See Note 14).

FCCC was in default of its Term Loan to UCIC. FAC, as the owner of the
rights to the Term Loan, filed suit seeking payment. Collateral for the
FCCC Term Loan included the Company's Note Payable to FCCC. FAC exercised
its rights to the collateral securing the Term Loan, including the right
to obtain payment on the Note Payable directly from the Company. The
Company and FAC entered into an agreement dated as of December 27, 1996
under which the Company issued to FAC 1.0 million shares of Common
Stock in full satisfaction of the Note Payable and accrued interest.

If FCCC were to seek collection of the Note Payable plus accrued interest
from the Company, the Company, based on the opinion of counsel, believes
that the outcome of any such action pursued by FCCC against the Company
would not have a material adverse impact on the Company's financial
position or results of operation.

(19) Comprehensive Income

Total comprehensive income for the years ended September 30 consists of:

(Dollars in Thousands) 1998 1997 1996
-------- -------- --------

Net (loss)income $ (4,316) $ 4,520 $ 3,748
Other comprehensive income(loss),
before tax:
Foreign currency translation
adjustments 8 - 1
Income tax related to items of
other comprehensive
income(loss) - - -
-------- -------- --------

Total comprehensive income(loss) $ (4,308) $ 4,520 $ 3,749
======== ======== ========