THERMO POWER CORP
10-K, 1997-12-05
AIR-COND & WARM AIR HEATG EQUIP & COMM & INDL REFRIG EQUIP
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                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549
                   ------------------------------------------
                                    FORM 10-K
    (mark one)
    [ X ] Annual Report Pursuant to Section 13 or 15(d) of the Securities
          Exchange Act of 1934 for the fiscal year ended September 27, 1997

    [   ] Transition Report Pursuant to Section 13 or 15(d) of the
          Securities Exchange Act of 1934

                         Commission file number 1-10573

                            THERMO POWER CORPORATION
             (Exact name of Registrant as specified in its charter)
    Massachusetts                                                  04-2891371
    (State or other jurisdiction of                          (I.R.S. Employer
    incorporation or organization)                        Identification No.)

    81 Wyman Street, P.O. Box 9046
    Waltham, Massachusetts                                         02254-9046
    (Address of principal executive offices)                       (Zip Code)
       Registrant's telephone number, including area code: (781) 622-1000
           Securities registered pursuant to Section 12(b) of the Act:

    Title of each class             Name of each exchange on which registered
    ----------------------------    -----------------------------------------
    Common Stock, $.10 par value                      American Stock Exchange
           Securities registered pursuant to Section 12(g) of the Act:
                                      None

    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, and (2) has been subject to
    the filing requirements for at least the past 90 days. Yes [ X ] No [   ]

    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 the Registrant's knowledge, in definitive proxy
    or information statements incorporated by reference into Part III of this
    Form 10-K or any amendment to this Form 10-K. [   ]

    The aggregate market value of the voting stock held by nonaffiliates of
    the Registrant as of October 31, 1997, was approximately $30,918,000.

    As of October 31, 1997, the Registrant had 11,916,247 shares of Common
    Stock outstanding.
                       DOCUMENTS INCORPORATED BY REFERENCE

    Portions of the Registrant's Annual Report to Shareholders for the fiscal
    year ended September 27, 1997, are incorporated by reference into Parts I
    and II.

    Portions of the Registrant's definitive Proxy Statement for the Annual
    Meeting of Shareholders to be held on March 13, 1998, are incorporated by
    reference into Part III.
PAGE
<PAGE>
                                     PART I
    Item 1. Business

    (a) General Development of Business

        Thermo Power Corporation (the Company or the Registrant) develops and
    commercializes environmentally sound and economically efficient power
    generation, cooling, lighting, and related products. At fiscal year-end
    1997, the Company's business was divided into three segments. The
    Industrial Refrigeration Systems segment develops, manufactures, markets,
    and services industrial refrigeration and commercial cooling equipment,
    and also rents commercial cooling and industrial refrigeration equipment.
    The Engines segment develops, manufactures, markets, and services
    gasoline engines for recreational boats, propane and gasoline engines for
    lift trucks, and natural gas engines for fleet vehicles and industrial
    applications. The Cooling and Cogeneration Systems segment develops,
    manufactures, markets, and services natural gas cooling and cogeneration
    systems, and conducts research and development on applications of thermal
    energy and pollution control. The Company's thermoelectric cooling
    modules are used to control the temperature of laser diodes in
    fiber-optic telecommunication equipment and biomedical instruments, as
    well as thermal reference sources (TRSs), which are used for calibrating
    infrared imaging systems. The Company is also researching other potential
    applications for this technology. Through its 78%-owned ThermoLyte
    Corporation (ThermoLyte) subsidiary, formed in March 1995, the Company is
    developing and commercializing various gas-powered lighting products.

        On November 6, 1997, the Company declared unconditional in all
    respects its cash tender offer for the outstanding ordinary shares of
    Peek plc (Peek). The aggregate cost to acquire all outstanding Peek
    ordinary shares is estimated at approximately $163 million. The Company
    paid $2.3 million for shares acquired in fiscal 1997 and $147.9 million
    for shares acquired from September 28, 1997, through November 19, 1997.
    The Company owned 92% of the outstanding ordinary shares of Peek as of
    November 19, 1997. The Company expects to make payments for the remaining
    ordinary shares outstanding during the first quarter of fiscal 1998. To
    finance the acquisition of Peek, the Company used internal funds and
    borrowed $160.0 million from Thermo Electron.

        Peek, a London Stock Exchange-listed company, develops, markets,
    installs, and services equipment to monitor and regulate traffic flow,
    ease roadway congestion, improve safety, and collect data. Peek also
    manufactures density and flow meters, primarily used by the water and oil
    industries. Peek had revenues in calendar 1996, excluding revenues from
    businesses sold in 1996 and 1997, of approximately 140 million pounds
    sterling, or approximately $219 million, and profit on ordinary
    activities after taxation, excluding profits from businesses sold in 1996
    and 1997, of approximately 8 million pounds sterling, or approximately
    $12 million. Peek's results of operations in calendar 1996 are unaudited
    and were accounted for in accordance with generally accepted accounting
    principles in the United Kingdom, which differ in certain respects from
    U.S. generally accepted accounting principles.

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        The Company was originally incorporated in Massachusetts in June 1985
    under the name Tecogen Inc., as a wholly owned subsidiary of Thermo
    Electron to succeed the business of Thermo Electron's Thermal Products
    Division. In March 1993, the Company's name was changed to Thermo Power
    Corporation. As of September 27, 1997, Thermo Electron owned 8,127,906
    shares of the Company's common stock, representing 68% of such stock
    outstanding at that time. Thermo Electron is a world leader in
    environmental monitoring and analysis instruments, biomedical products
    such as heart-assist devices and mammography systems, papermaking and
    recycling equipment, biomass electric power generation, and other
    specialized products and technologies. Thermo Electron also provides a
    range of services related to environmental quality. During fiscal 19971,
    Thermo Electron purchased 213,100 shares of the Company's common stock in
    the open market at a total price of $1,815,000.

    Forward-looking Statements

        Forward-looking statements, within the meaning of Section 21E of the
    Securities Exchange Act of 1934, are made throughout this Annual Report
    on Form 10-K. For this purpose, any statements contained herein that are
    not statements of historical fact may be deemed to be forward-looking
    statements. Without limiting the foregoing, the words "believes,"
    "anticipates," "plans," "expects," "seeks," "estimates," and similar
    expressions are intended to identify forward-looking statements. There
    are a number of important factors that could cause the results of the
    Company to differ materially from those indicated by such forward-looking
    statements, including those detailed under the heading "Forward-looking
    Statements" in the Registrant's Fiscal 1997 Annual Report to
    Shareholders, which statements are incorporated herein by reference.

    (b) Financial Information About Industry Segments

        Financial information concerning the Company's industry segments is
    summarized in Note 11 to Consolidated Financial Statements in the
    Registrant's Fiscal 1997 Annual Report to Shareholders, which information
    is incorporated herein by reference.

    (c) Description of Business

        (i) Principal Products and Services

    Traffic Products

        The Company's Peek subsidiary develops, markets, installs, and
    services equipment to monitor and regulate traffic flow in cities and
    towns around the world. Peek offers hardware products and traffic
    management systems to ease roadway congestion, improve safety, and
    collect data. In addition, Peek develops and markets a series of field
    measurement products.


    1 References to fiscal 1997, 1996, and 1995 herein are for the fiscal
      years ended September 27, 1997, September 28, 1996, and September 30,
      1995, respectively.

                                        3PAGE
<PAGE>
        Hardware Products. Peek's hardware products include detectors,
    counter classifiers, traffic signals, controllers, and enforcement
    equipment. Peek offers a variety of detectors, including loop detectors,
    microwave detectors, and its Videotrak(R) video camera detectors.
    Detectors determine the speed, size, and direction of vehicles for use in
    traffic control. Counter classifiers analyze the data provided by
    detectors in order to determine traffic flow patterns and the types of
    vehicles on roadways for traffic planning. Peek manufactures and markets
    traffic signals with advanced optical designs for both vehicle
    intersections and pedestrian crossways. Controllers are electronic
    devices that automatically control the timing of signals to optimize the
    flow of traffic and coordinate pedestrian crossings in order to improve
    safety. Peek has also developed the Peek Guardian(TM) camera for law
    enforcement agencies. This product uses cameras to detect and record
    motor vehicle violations such as speeding and red light violations.
    Prices for Peek's hardware products range from approximately $60 for a
    simple loop detector to approximately $20,000 for a large Videotrak video
    camera. In addition, Peek supplies variable message signs, which display
    messages advising drivers of roadway hazards. The price for a large
    message sign can be more than $60,000. 

        Traffic Systems. Peek produces three types of traffic systems: urban
    traffic control, motorway management, and public transport management.

        Urban Traffic Control (UTC). Peek offers two types of UTC systems:
    real-time adaptive control systems and traffic responsive systems. 

        - Real-time Adaptive Control Systems. These systems measure flow of
          traffic and use the collected information to optimize the timing
          of traffic signals to achieve maximum traffic capacity across a
          city. Peek's SCOOT system runs algorithms on a central computer
          and communicates traffic signal timing to controllers to optimize
          traffic flow. Prices for a SCOOT system vary greatly depending on
          the size, complexity, and scope of the project, and can range from
          $150,000 to $25 million. Peek's SPOT system uses a distributed
          approach to optimize traffic flow, whereby signal timing is
          calculated by an individual controller using data from that
          controller and nearby controllers. Prices for relatively simple
          SPOT systems typically range from $50,000 to $150,000.

        - Traffic Responsive Systems. These systems analyze current traffic
          information provided by detectors and then select appropriate
          signal timing for intersections from a set of patterns that have
          been generated off-line. The Multi-Arterial Traffic System (MATS)
          is sold predominantly in the United States. The Electronic Traffic
          Control system (ETC), which is installed predominantly in
          Scandinavia, caters to asymmetrical town plans. Prices for traffic
          responsive systems generally range from $30,000 to $1.6 million
          depending on the scope and complexity of the project.

        Motorway Management. These systems identify when congestion,
    accidents, or other traffic disruptions occur using detectors, and
    generate information for message signs which can be used to broadcast
    messages imposing speed restrictions or advising travelers of lane

                                        4PAGE
<PAGE>
    closures and hazards. Peek provides systems that have direct control over
    message signs, predominantly in The Netherlands. Peek also offers systems
    in the United Kingdom that provide central control over message signs and
    are controlled by an operator. The third type of motorway management
    system is a low-cost PC-based system, which directly controls message
    signs and is sold predominantly in developing markets. Prices for
    Motorway Management Systems typically range from $500,000 to $8 million
    depending on the scope and the complexity of the project.

        Public Transport. Peek provides a range of public transport systems,
    including intersection priority systems, passenger information systems,
    fleet management systems, and bus terminal systems. Intersection priority
    systems use electronic tags on buses, which communicate with intersection
    controllers to ensure that buses are not delayed. The level of priority
    can be adjusted based on occupancy levels and adherence to schedules.
    Passenger information systems track the position of buses along a route
    in order to provide anticipated arrival times to passengers waiting at
    stops. Fleet management systems use electronic tags on buses to monitor
    the adherence to bus schedules and occupancy levels of buses in order to
    monitor the operating performance of the fleet, set vehicle maintenance
    schedules, and optimize the size of the fleet to achieve a desired level
    of service. Peek also designs and supplies electronic systems to bus
    terminals to provide information to waiting passengers and to allow the
    size of the terminals to be minimized. Prices for public transport
    systems vary greatly depending on the scope and complexity of the project
    and can range from $5,000 for a simple intersection priority system to
    several million dollars for an integrated public transportation solution
    for a city.

        Approximately 90 percent of Peek's revenues in calendar 1996,
    excluding revenues from businesses sold in 1996 and 1997, were from sales
    of traffic products.

        Field Measurement Products. Peek offers a series of field data
    products, including density meters, which measure the density of liquids
    and gases; flow meters, which are attached either to the inside or the
    outside of pipes to measure liquid or gas flow rates; current to pressure
    transducers, which are used in process control systems to convert
    electrical signals to pressure levels for direct control of valves; and
    alarm monitors, which are used in power stations to monitor turbine
    engines so that they do not overheat. Prices for Peek's field measurement
    products typically range from $400 to $10,000. In calendar 1996,
    approximately 10 percent of Peek's revenues, excluding revenues from
    businesses sold in 1996 and 1997, were from sales of field measurement
    products.

    Industrial Refrigeration Systems

        Industrial Refrigeration Packages. The Company's FES division
    designs, engineers, manufactures, and services industrial refrigeration
    equipment used for cooling, freezing, and cold-storage applications
    primarily in the food-processing, petrochemical, pharmaceutical, and
    liquefied-gas storage industries. FES supplies complete industrial
    refrigeration systems and various components for these systems.

                                        5PAGE
<PAGE>
        FES equipment for food and beverage customers is primarily standard
    products, such as screw-compressor packages, liquid-refrigerant pump
    packages, state-of-the-art control systems, plate and frame heat
    exchangers, and ASME (American Society of Mechanical Engineers) pressure
    vessels. The screw-compressor package, which consists of a screw
    compressor, an electric-drive motor, an oil separator, a control panel,
    and piping and tubing, constitutes the majority of this equipment. FES
    also manufactures screw-compressor packages powered by the Company's
    natural gas TecoDrive(R) engines. Examples of applications of industrial
    refrigeration equipment used by food and beverage processors include the
    freezing, storing, and warehousing of meats, fish, fruits, and
    vegetables; freezing of fruit juice concentrates; and controlling process
    temperatures in brewing and wine-making, and in soft drink carbonization,
    where the temperature of water is regulated to absorb a controlled
    quantity of carbon dioxide. In addition, FES manufactures
    screw-compressor packages used to cool inlet air for gas turbine
    generators at utilities.

        FES supplies custom-designed industrial refrigeration packages to
    petrochemical, pharmaceutical, and related industries for integration
    into their plants' refrigeration systems. These higher-cost packages
    require significant design engineering and are used in a wide variety of
    applications, such as chilling brine that cools chemicals used in the
    production of penicillin. In another application of a custom package, FES
    units are used to chill and condense toxic effluent gases normally
    released to flare.

        Approximately 83% of FES sales are of industrial refrigeration
    packages, of which 63% are standard units for the food and beverage
    industry, and approximately 37% are of custom units for the petrochemical
    and pharmaceutical industries. The average price for a standard food and
    beverage refrigeration package is approximately $50,000, and a
    representative price for a custom unit would be approximately $400,000,
    although prices for these units often exceed $1 million. FES
    refrigeration packages can be designed for use with any common
    refrigerant, but the majority of FES's units operate on ammonia. FES's
    utilization of ammonia, a cost-effective and environmentally safe
    substance compared with conventional chlorofluorocarbon (CFC)-based
    refrigerants, places FES in a leadership position to target the reduction
    of CFC systems. The production of CFCs was phased out in January 1996.
    Ammonia does not harm the ozone layer, costs much less than conventional
    refrigerants, and is widely available on a global basis.

        The Company's NuTemp subsidiary is a supplier of both remanufactured
    and new industrial refrigeration equipment for sale or rental. NuTemp
    serves numerous markets with its industrial refrigeration equipment,
    including the food-processing, petrochemical, and pharmaceutical
    industries. Ongoing retrofit programs to replace CFC-based equipment
    continue to provide a temporary rental business for NuTemp. One of
    NuTemp's key services is responding to emergency cooling situations by
    providing large-tonnage-capacity refrigeration equipment on short notice.
    The demand for NuTemp's equipment is typically highest in the summer
    period and can be adversely affected by cool summer weather.

                                        6PAGE
<PAGE>
         NuTemp also buys new and surplus commercial cooling equipment,
    which is remanufactured for sale or rental. NuTemp's customers in the
    commercial cooling industry include institutions, commercial building
    owners, and service contractors. The commercial cooling industry is
    currently coming into compliance with the Montreal Protocol which
    prohibits the production of CFC refrigerants effective January 1996. This
    retrofit process is creating an increase in the rental market for
    NuTemp's commercial cooling systems, which operate on alternative
    refrigerants, while customers install new equipment. Its commercial
    cooling equipment is used primarily in institutions and commercial
    buildings, as well as by service contractors.

        Revenues from industrial refrigeration packages were $65,205,000,
    $66,565,000, and $55,193,000 in fiscal 1997, 1996, and 1995,
    respectively.

    Engines

        Marine Engines. The Company's Crusader Engines division manufactures,
    markets, and services inboard marine engines and accessories both to OEM
    (original equipment manufacturer) boat companies and to a network of
    distributors who support dealers servicing Crusader's products in the
    field. Crusader's key customers are OEM manufacturers of the "cruiser"
    class boats and yachts, generally ranging in size from 25 to 45 feet in
    length. The purchase price of boats containing Crusader engines typically
    is in the $50,000 to $250,000 range. In fiscal 1997, sales to Crusader's
    top two customers accounted for approximately 44% of Crusader's marine
    engine sales.

        Revenues from marine engines were $17,007,000, $18,659,000, and
    $21,536,000 in fiscal 1997, 1996, and 1995, respectively.

        TecoDrive Gasoline and Natural Gas Engines for Vehicles. The
    Company's extensive development work on gasoline and dedicated compressed
    natural gas (CNG) engines has resulted in sales of a number of its
    TecoDrive engines for use in school buses, package-delivery vehicles, and
    other fleet vehicles. The CNG engines feature substantially lower
    emissions than other commercially available gasoline or natural gas
    engines.

        TecoDrive Natural Gas Engines for Industrial Applications. The
    Company manufactures natural gas engines for stationary and industrial
    applications. As a result of the positive response the Company has
    received from its customers in the industrial market, the Company has
    developed TecoDrive engines for other stationary applications, such as
    powering air and gas compressors. There are now four OEM manufacturers
    incorporating the Company's TecoDrive engines into their natural gas
    compressors for NGV refueling.

        Propane and Gasoline Engines for Lift Trucks. The Company
    manufactures 3.0-, 4.3-, 5.7-, and 7.4-liter propane and gasoline engines
    for installation into lift trucks. The Company sells lift truck engines
    to material handling equipment manufacturers and other lift-truck
    manufacturers.

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    Cooling and Cogeneration Systems

        The Company designs, develops, manufactures, markets, and services
    packaged cooling and cogeneration systems fueled principally by natural
    gas for sale to a wide range of commercial, institutional, industrial,
    and multi-unit residential users. Many of these products are powered by
    the Company's dedicated TecoDrive natural gas engines.

        The Company's Tecochill commercial cooling and Tecogen(R)
    cogeneration products incorporate several proprietary features that are
    the result of the Company's advances in engine, thermal, and control
    technologies. One such proprietary feature is the Company's
    microprocessor-based control module, which automates the operation of
    such systems and can also include remote control, monitoring, and
    diagnostic capabilities. The standardized design of the Company's
    products also enable rapid installation and startup, facilitate
    maintenance, and allow competitive delivery time. The Company supports
    its customers by offering a comprehensive maintenance contract under
    which the Company assumes responsibility for substantially all
    maintenance, repairs, and replacement parts.

        The cost savings that result from use of the Company's packaged
    cooling and cogeneration systems are directly related to the retail price
    of electricity. In the past few years, electricity prices have declined
    in many areas, and rates remain relatively low on a historical basis in
    most regions. Given prevailing rate structures, demand for the Company's
    cooling and cogeneration systems has been less than anticipated.

        Tecochill Cooling Systems. The Company entered the gas-fueled cooling
    business by introducing its 150-ton gas-fueled cooling unit in 1988. The
    Company's Tecochill units are powered by the same TecoDrive engine used
    in the Company's small-scale cogeneration systems. Tecochill products are
    equipped with microprocessor controls allowing fully automated,
    unattended operation. Tecochill units can be programmed to run at
    different speeds to follow variable cooling loads for greater efficiency
    than conventional electric motor-driven air conditioners that run at a
    constant speed. These units are self-contained packages that are
    delivered to customer sites as finished products for standard
    installation. Tecochill units can be fitted with optional heat-recovery
    packages yielding hot water. The Company is currently offering additional
    gas-fueled air conditioning equipment for use in multi-unit residential
    buildings, nursing homes, hospitals, and similar institutions. Although
    the purchase price of the Company's Tecochill units is approximately
    100-200% higher than that of electric motor-driven air conditioners of
    comparable sizes, lower operating costs associated with the use of
    Tecochill units generally lead to payback of the incremental capital cost
    in approximately four years. The average expected useful life of a
    Tecochill unit is comparable to that of an electric motor-driven air
    conditioner, typically 15 years.

        Sponsored Research and Development. The Company conducts research and
    development supported by outside sponsors. Revenues from sponsored
    research and development contracts were $4,688,000, $5,836,000, and

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    $4,917,000 in fiscal 1997, 1996, and 1995, respectively. See "Research
    and Development."

    Regulation

        The demand for most of the Company's products is affected by various
    federal, state, and local energy and environmental laws and regulations.
    All of these laws and regulations are subject to revocation or amendment,
    and the Company cannot predict what effect revocation or amendment may
    have on the Company's sales, business, or operations.

    Traffic Products

        Demand for the Company's traffic products in the U.S. may be
    influenced by the Intermodal Surface Transportation Efficiency Act
    (ISTEA), which provides significant funding in the U.S. for intermodal
    surface transportation and advanced traffic management systems. The ISTEA
    has been extended through March 31, 1998. The failure of ISTEA to be
    further extended or reauthorized could adversely effect the Company's
    business.

    Industrial Refrigeration Systems

        The Company's ammonia-based refrigeration equipment and
    alternative-refrigerant commercial cooling systems benefit from the
    worldwide phaseout of CFC refrigerants. The Montreal Protocol was
    negotiated in 1987 under the sponsorship of the United Nations
    Environmental Program (UNEP) to protect the ozone layer. This agreement
    establishes a process to control substances that could deplete the ozone
    layer, including CFCs. Regulations have been promulgated by the EPA
    implementing these protocols in this country through limits on the
    production and consumption of CFCs and other ozone-depleting substances.

    Engines

        The market for the Company's TecoDrive natural gas engine is
    influenced by federal legislation that allows states to establish
    programs encouraging the use of alternative fuels, including natural gas,
    methanol, and ethanol. Many states have some type of alternative-fuel
    vehicles commission, legislation, or tax incentives.

        Natural gas is one of many alternative fuels that is addressed by
    these laws and regulations. Others include methanol, ethanol, liquefied
    petroleum gas, hydrogen, electricity, and reformulated gasoline. There
    can be no assurance that natural gas will become a preferred alternative
    fuel for vehicles or that existing and future laws or regulations, or
    their enforcement, will create material long-term demand for NGVs.

    Cooling and Cogeneration Systems

        The passage by Congress of the Public Utility Regulatory Policies Act
    of 1978 (PURPA), the adoption of regulations thereunder by the Federal
    Energy Regulatory Commission (FERC), and related state laws and
    regulations provide incentives for the development of qualifying

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    small-power production and cogeneration systems such as those offered by
    the Company. PURPA and FERC regulations promulgated thereunder address
    three issues of importance to users that own or operate cogeneration
    systems, including those sold by the Company. First, PURPA exempts
    qualifying users from many federal and state regulations that pertain to
    electric utilities. Second, PURPA requires electric utilities to allow
    qualifying cogeneration providers to connect their cogeneration
    facilities to utilities' electric power systems. This mandatory
    connection enables users to purchase utility-generated electricity to
    start their cogeneration systems and assures users of a back-up source of
    electricity during peak periods of use and when the cogeneration systems
    are shut down for maintenance and repair. Third, PURPA requires utilities
    to purchase electricity produced by qualifying cogeneration providers at
    a price equivalent to utilities' avoided costs.

        Like all electric power-generating and other fossil fuel-burning
    systems, the Company's cooling and cogeneration products must comply with
    federal, state, and local environmental laws and regulations. Regulation
    of systems such as those sold by the Company is conducted primarily at
    the state and local level, where standards can vary. In particular,
    applicable environmental standards in California are stricter than
    comparable federal guidelines. The Company believes that its existing
    Tecochill and other Tecogen products comply with applicable federal and
    state environmental standards, including those currently in effect in
    California, although the Company cannot predict whether its products will
    comply with all environmental standards promulgated in the future. 

        (ii) New Products

        The Company acquired Peek in November 1997. Peek's principal products
    are described above under "Description of Business--Principal Products
    and Services."

        The ThermoLyte family of lighting products is based on the Company's
    patented technology for a rigid mantle, the "bulb" in gas lights. This
    durable mantle allows the Company to design products that are portable,
    and use propane as a power source instead of batteries. Using propane
    offers several advantages over batteries, including a potentially
    infinite shelf life, substantially longer operating hours, constant
    brightness, and no battery disposal.

        ThermoLyte has introduced a line of propane-powered accent lights to
    the marketplace through the L.L. Bean store in Freeport, Maine. The
    accent light is a decorative, contemporary-style area light suitable for
    providing an alternative to candles, oil lamps, or battery-powered lights
    in the home or backyard. The Company is in the process of developing
    trade channels through which the Company will sell its accent lights,
    such as through home shopping - both through catalogs and television,
    partnerships with other major retailers, and selling over the Internet.

        (iii) Raw Materials

        The Company purchases engine blocks for its marine and certain other
    engines, as well as engines for certain of its smaller cooling and

                                       10PAGE
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    cogeneration products, from one supplier. It does not have a firm
    contract with this supplier. The Company generally maintains inventories
    of engine blocks sufficient to meet its needs for a three-month period.
    However, the inability of the Company to obtain either engines or engine
    blocks from this supplier would have a material adverse effect upon the
    Company's operations.

        (iv) Patents, Licenses, and Trademarks

        The Company considers its patents and licenses to be important in the
    present operation of its business. The Company, however, does not
    consider any one of its patents or related group of patents to be of such
    importance that its expiration, termination, or invalidity would
    materially affect the Company's business.

        The Company has research and development arrangements with the
    natural gas industry and various governmental agencies, and is required
    to pay royalties for any technologies developed or products
    commercialized under several of these arrangements.

        (v) Seasonal Influences

        Crusader's marine engine sales historically have been stronger in the
    first quarter of each calendar year, when boat builders purchase engines
    for boats to be sold for the upcoming boating season. Sales of marine
    engines generally decline gradually during the last three quarters of the
    calendar year, reaching their lowest levels in the fourth quarter. In
    addition, the demand for NuTemp's equipment is typically highest in the
    summer period and can be adversely affected by cool summer weather. There
    are no significant seasonal influences in the Company's other lines of
    business.

        (vi) Working Capital Requirements

        There are no special inventory requirements or credit terms extended
    to customers that would have a material adverse effect on the Company's
    working capital.

        (vii) Dependency on a Single Customer

        No single customer accounted for more than 10% of the Company's total
    revenues in fiscal 1997. In fiscal 1997, revenues from two customers
    accounted for 13% and 12% of Engines segment revenues. The loss of one or
    both of these customers would have a material adverse effect on the
    Engines segment. 

        (viii) Backlog

        The backlog of firm orders for the Company's Peek subsidiary was
    approximately $80.2 million as of October 31, 1997. The backlog of firm
    orders for the Industrial Refrigeration Systems segment was $15.7 million
    as of September 27, 1997, compared with $22.2 million as of September 28,
    1996. The backlog of firm orders for the Engines segment was $1.7 million
    as of September 27, 1997, compared with $1.0 million as of September 28,

                                       11PAGE
<PAGE>
    1996. The backlog of firm orders for the Cooling and Cogeneration Systems
    segment was $2.5 million as of September 27, 1997, compared with $4.0
    million as of September 28, 1996. The decrease in backlog for the
    Industrial Refrigeration Systems segment was primarily due to two large
    orders at fiscal year-end 1996. A significant portion of the Company's
    sales within the Industrial Refrigeration and Engines segments are large
    orders, the timing of which can lead to variability in the Company's
    quarterly revenues and net income.

        The Company believes that the majority of this backlog will be
    shipped during fiscal 1998. The Company does not believe that the size of
    its backlog is necessarily indicative of intermediate- or long-term
    trends in its business.

        (ix) Government Contracts

        Certain of the Company's contracts or subcontracts, in particular
    those of the Company's recently acquired Peek subsidiary, are with
    governmental entities and are subject to renegotiation of profits or
    termination. There are, however, no pending or, to the Company's
    knowledge, threatened renegotiations or terminations that are material to
    the Company.

        (x) Competition

        The Company experiences competition in most of its product lines.
    Additional competition may arise if markets in which the Company is
    active develop significantly. The Company is aware of several competitors
    for its product lines, some of whom have financial, marketing, and other
    resources greater than those of the Company.

    Traffic Products

         The market for traffic products and services is extremely
    competitive, and the Company expects that competition will continue to
    increase. The Company believes that the principal competitive factors in
    the traffic industry are price, functionality, reliability, service and
    support, and vendor and product reputation. The Company believes that its
    ability to compete successfully will depend on a number of factors both
    within and outside its control, including the pricing policies of its
    competitors and suppliers, the timing and quality of products introduced
    by the Company and others, the Company's ability to maintain a strong
    reputation in the traffic industry, and industry and general economic
    trends. The Company believes that it is a leading manufacturer and
    supplier of traffic products and considers its major competitor to be
    Siemens AG. However, the traffic market is highly fragmented and
    competition varies significantly depending on the individual product. The
    Company's competitors in the field measurement market include Air Monitor
    Corporation, Milltronics Limited, Panametrics, Inc., and Solartron
    Limited, a subsidiary of The Roxboro Group PLC.

                                       12PAGE
<PAGE>
    Industrial Refrigeration Systems

        The Company's sale of industrial refrigeration systems is subject to
    intense competition. The industrial refrigeration market is mature,
    highly fragmented, and extremely dependent on close customer contacts.
    Major industrial refrigeration companies, of which FES is one, account
    for approximately one-half of worldwide sales, with the balance generated
    by many smaller companies. The worldwide market is characterized by
    strong local manufacturers. The market leader worldwide, as well as in
    North America, is Frick Company and its affiliates, subsidiaries of York
    International Corporation (York). The Company believes that FES competes
    on the basis of its advanced control systems and overall quality,
    reliability, service, and to a lesser extent, price.

        The Company believes NuTemp is a leader in remanufactured
    refrigeration equipment. As part of its rental program, NuTemp offers an
    option to buy its equipment, a service that is unique in the industry.
    NuTemp's largest competitor is Aggreko, a subsidiary of Christian
    Salvesen PLC. Aggreko is a major supplier of rental equipment for the
    industrial refrigeration and commercial cooling markets. The Company
    believes that NuTemp competes on the basis of price, delivery time, and
    customized equipment.

    Engines

        Competition in the CNG vehicle and alternative-fuel engine markets is
    intense, and current or potential competitors in some or all segments of
    these markets include major automotive and natural gas companies and
    other companies that have greater financial resources than those of the
    Company.

        The Company believes it has the second largest share of the inboard
    marine engine market for "cruiser" class boats and yachts in the United
    States, behind the Mercury division of Brunswick Corporation. Crusader
    has experienced intense competition in the marine engine business in
    recent years, primarily from vertical integration of boat and engine
    manufacturers that has led to the acquisition of former Crusader
    customers by competing engine manufacturers. The Company believes that
    Crusader competes on the basis of quality, reliability, service, and
    pricing.

    Cooling and Cogeneration Systems

        The Company's Tecochill products are subject to competition from
    absorption air conditioning systems and electric motor-driven vapor
    compressor systems. Other manufacturers of natural gas-fueled
    engine-driven cooling systems have also entered the market. The Company
    believes it competes with producers of conventional cooling equipment on
    the basis of relative operating costs at times of peak electrical demand,
    and with other producers of natural gas-fueled cooling systems on the
    basis of quality, reliability, service, operational savings, and track
    record.

                                       13PAGE
<PAGE>
        In 1995, York entered the gas-engine cooling market, in partnership
    with Caterpillar Inc., and is a major competitor in large-capacity (+400
    tons) cooling equipment. However, the Company's most competitive range is
    in smaller-capacity equipment.

        The Company's sale of cogeneration systems is subject to intense
    competition, both direct and indirect. Direct competitors consist of
    companies that sell cogeneration products resembling those sold by the
    Company. In addition, electric utility pricing programs provide
    competition for the Company's cogeneration products. Indirect competitors
    include manufacturers of conventional water heaters, air conditioners,
    and electric generator sets, since the economic benefits of the Company's
    cogeneration and cooling systems depend on the cost of conventional
    energy systems. The Company believes that it competes on the basis of
    several factors, including product quality and reliability, operational
    savings, ease of installation, service, and pricing.

        The Company's sponsored research and development is also subject to
    intense competition from many larger and smaller firms, universities, and
    other private and public research facilities. The Company competes for
    sponsored research and development contracts on the basis of several
    factors, including technical expertise, market experience, and past
    performance.

        (xi) Research and Development

        The Company has conducted research and development on applications of
    thermal energy for more than 30 years. The Company's research and
    development capability and expertise in engine, instrumentation, control,
    and heat-recovery technologies have enabled it to obtain support from
    outside sponsors, develop new products, and support existing products.
    The Company has experienced a decrease in sponsored research and
    development due to a reduction in funding. See "Description of Business
    -- Principle Products and Services -- Cooling and Cogeneration Systems."

        The Company's sponsored programs have been supported principally by
    the domestic natural gas industry and the federal government. Within the
    natural gas industry, the Company's principal sponsors have been the Gas
    Research Institute (GRI) and the Southern California Gas Company, which
    is the nation's largest gas utility. The Company has also obtained
    research and development funding from state governments and industrial
    companies. Sponsors of the Company's research and development generally
    own the rights to technology that is developed under these programs.

        During fiscal 1997, 1996, and 1995, the Company spent $2,296,000,
    $3,214,000, and $3,065,000, respectively, on internally funded research
    and development, and $3,776,000, $4,475,000, and $3,548,000,
    respectively, on research and development sponsored by others.

        In addition, in calendar 1996, Peek continued development of
    Videotrak video camera and commenced development of Peek Guardian camera
    and a motorway outstation to meet new Dutch specifications. Peek also
    continued to develop and enhance other traffic and field measurement
    products. In calendar 1996, Peek spent approximately $11.1 million on

                                       14PAGE
<PAGE>
    internally funded research and development, excluding research and
    development from businesses sold in 1996 and 1997.

        (xii) Environmental Protection Regulations

        The Company believes that compliance with federal, state, and local
    environmental protection regulations will not have a material adverse
    effect on its capital expenditures, earnings, or competitive position.

        (xiii) Number of Employees

        As of September 27, 1997, the Company employed approximately 486
    people. Approximately 36 employees at the Company's Crusader division are
    represented by a labor union under a three-year collective bargaining
    agreement which expired on October 15, 1997, and has been extended for
    one year. The Company has experienced no work stoppages, and considers
    its relations with employees to be good.

        In addition, the Company's Peek subsidiary employed 1,486 employees
    as of September 27, 1997. Of these employees, 382 were located in The
    Netherlands, Denmark, Finland, and Sweden, and, in accordance with
    applicable law, were represented by a labor union. Peek has experienced
    no work stoppages and believes that its relations with its employees are
    good.

    (d) Financial Information about Exports by Domestic Operations

        Financial information about exports by domestic operations is
    summarized in Note 11 to Consolidated Financial Statements in the
    Registrant's Fiscal 1997 Annual Report to Shareholders, which information
    is incorporated herein by reference.

    (e) Executive Officers of the Registrant

                                Present Title (Year First Became Executive  
    Name                   Age  Officer)
    ----------------------------------------------------------------------
    J. Timothy Corcoran    51  President and Chief Executive Officer (1992)
    John N. Hatsopoulos    63  Chief Financial Officer and Vice 
                                 President (1988)
    Paul F. Kelleher       55  Chief Accounting Officer (1985)

        Each executive officer serves until his successor is chosen or
    appointed by the Board of Directors and qualified or until earlier
    resignation, death, or removal. Mr. Corcoran has been Chief Executive
    Officer of the Company since October 1996, and President since April
    1995. From November 1992 to April 1995, Mr. Corcoran was a Vice President
    of the Company, and has been President of FES since June 1990. Mr.
    Corcoran is a full-time employee of the Company, and Messrs. Hatsopoulos
    and Kelleher are full-time employees of Thermo Electron, but devote such
    time to the affairs of the Company as the Company's needs reasonably
    require.

                                       15PAGE
<PAGE>
    Item 2. Properties

        The location and general character of the Company's principal
    properties by industry segment as of September 27, 1997, are as follows:

    Industrial Refrigeration Systems

        The Company owns approximately 157,000 square feet of office and
    manufacturing space in York, Pennsylvania, subject to a mortgage on the
    property, and approximately 15,000 square feet of manufacturing space in
    Humble, Texas. The Company also occupies approximately 164,000 square
    feet of office and manufacturing space in Chicago, Illinois, under a
    lease expiring in 2006.

    Engines

        The Company occupies approximately 104,000 square feet of
    manufacturing, engineering, and office space in Sterling Heights,
    Michigan, under leases expiring in 2000 and 2004.

    Cooling and Cogeneration Systems

        The Company occupies approximately 40,000 square feet of office and
    laboratory space in Waltham, Massachusetts, under an agreement providing
    for the sublease of the facility from Thermo Electron expiring in 2002.
    In addition, the Company leases approximately 8,000 square feet of office
    and manufacturing space in Salisbury, Maryland, under a lease agreement
    with an unrelated party expiring in 1999.

        In addition, the location and general character of the principal
    properties of the Company's Peek subsidiary, which was acquired in
    November 1997, are as follows:

        Peek owns an office and manufacturing facility of approximately
    37,846 square feet in Winchester, Hampshire, in the United Kingdom. Peek
    also occupies approximately 78,585 square feet of office and
    manufacturing space in Hilversum, The Netherlands, pursuant to a lease
    agreement expiring in 1998. Peek intends to relocate its Hilversum
    operations to Amersfoort, The Netherlands, in 1998 and is currently
    negotiating a lease. Peek leases approximately 32,500 square feet of
    office and manufacturing space in Tallahassee, Florida, pursuant to a
    lease agreement expiring in 2004, and approximately 28,800 square feet of
    office and manufacturing space in Houston, Texas, pursuant to a lease
    agreement expiring in 2000. In addition, Peek owns approximately 96,300
    additional square feet of manufacturing and office space worldwide and
    leases approximately 261,200 additional square feet of manufacturing and
    office space worldwide pursuant to lease arrangements that expire between
    1998 and 2020.

    Item 3. Legal Proceedings

        Not applicable.

    Item 4. Submission of Matters to a Vote of Security Holders

        Not applicable.

                                       16PAGE
<PAGE>
                                     PART II

    Item 5. Market for Registrant's Common Equity and Related Stockholder
            Matters

        Information concerning the market and market price for the
    Registrant's Common Stock, $.10 par value, and related matters, is
    included under the sections labeled "Common Stock Market Information" and
    "Dividend Policy" in the Registrant's Fiscal 1997 Annual Report to
    Shareholders and is incorporated herein by reference.

    Item 6. Selected Financial Data

        The information required under this item is included under the
    sections labeled "Selected Financial Information" and "Dividend Policy"
    in the Registrant's Fiscal 1997 Annual Report to Shareholders and is
    incorporated herein by reference.

    Item 7. Management's Discussion and Analysis of Financial Condition and
            Results of Operations

        The information required under this item is included under the
    heading "Management's Discussion and Analysis of Financial Condition and
    Results of Operations" in the Registrant's Fiscal 1997 Annual Report to
    Shareholders and is incorporated herein by reference.

    Item 8. Financial Statements and Supplementary Data

        The Registrant's Consolidated Financial Statements as of September
    27, 1997, and Supplementary Data are included in the Registrant's Fiscal
    1997 Annual Report to Shareholders and are incorporated herein by
    reference.

    Item 9. Changes in and Disagreements with Accountants on Accounting and
            Financial Disclosures

        Not applicable.

                                       17PAGE
<PAGE>
                                    PART III

    Item 10. Directors and Executive Officers of the Registrant

        The information concerning directors required under this item is
    incorporated herein by reference from the material contained under the
    caption "Election of Directors" in the Registrant's definitive proxy
    statement to be filed with the Securities and Exchange Commission
    pursuant to Regulation 14A, not later than 120 days after the close of
    the fiscal year. The information concerning delinquent filers pursuant to
    Item 405 of Regulation S-K is incorporated herein by reference from the
    material contained under the heading "Section 16(a) Beneficial Ownership
    Reporting Compliance" under the caption "Stock Ownership" in the
    Registrant's definitive proxy statement to be filed with the Securities
    and Exchange Commission pursuant to Regulation 14A, not later than 120
    days after the close of the fiscal year.

    Item 11. Executive Compensation

        The information required under this item is incorporated herein by
    reference from the material contained under the caption "Executive
    Compensation" in the Registrant's definitive proxy statement to be filed
    with the Securities and Exchange Commission pursuant to Regulation 14A,
    not later than 120 days after the close of the fiscal year.

    Item 12. Security Ownership of Certain Beneficial Owners and Management

        The information required under this item is incorporated herein by
    reference from the material contained under the caption "Stock Ownership"
    in the Registrant's definitive proxy statement to be filed with the
    Securities and Exchange Commission pursuant to Regulation 14A, not later
    than 120 days after the close of the fiscal year.

    Item 13. Certain Relationships and Related Transactions

        The information required under this item is incorporated herein by
    reference from the material contained under the caption "Relationship
    with Affiliates" in the Registrant's definitive proxy statement to be
    filed with the Securities and Exchange Commission pursuant to Regulation
    14A, not later than 120 days after the close of the fiscal year.

                                       18PAGE
<PAGE>
                                     PART IV

    Item 14. Exhibits, Financial Statement Schedules, and Reports on Form 8-K

    (a, d)   Financial Statements and Schedules

             (1)The consolidated financial statements set forth in the list
                below are filed as part of this Report.
             (2)The consolidated financial statement schedule set forth in
                the list below is filed as part of this Report.
             (3)Exhibits filed herewith or incorporated herein by reference
                are set forth in Item 14(c) below.

             List of Financial Statements and Schedules Referenced in this
             Item 14

             Information incorporated by reference from Exhibit 13 filed
             herewith:

                Consolidated Statement of Income
                Consolidated Balance Sheet
                Consolidated Statement of Cash Flows
                Consolidated Statement of Shareholders' Investment
                Notes to Consolidated Financial Statements
                Report of Independent Public Accountants

             Financial Statement Schedules filed herewith:

             Schedule II: Valuation and Qualifying Accounts

             All other schedules are omitted because they are not applicable
             or not required, or because the required information is shown
             either in the financial statements or in the notes thereto.

       (b)   Reports on Form 8-K

             None.

       (c)   Exhibits

             See Exhibit Index on the page immediately preceding exhibits.

                                       19PAGE
<PAGE>
                                   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 by the undersigned, thereunto duly authorized.

    Date: December 4, 1997              THERMO POWER CORPORATION


                                        By: J. Timothy Corcoran
                                            -----------------------------
                                            J. Timothy Corcoran
                                            President and 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 indicated, as of December 4, 1997.

    Signature                         Title
    ---------                         -----

    By:J. Timothy Corcoran        President, Chief Executive Officer,
       ---------------------------      and Director
       J. Timothy Corcoran              


    By:John N. Hatsopoulos        Vice President, Chief Financial
       ---------------------------      Officer, and Director
       John N. Hatsopoulos              


    By:Paul F. Kelleher           Chief Accounting Officer
       ---------------------------
       Paul F. Kelleher


    By:Arvin H. Smith             Chairman of the Board and Director
       ---------------------------
       Arvin H. Smith


    By:Marshall J. Armstrong      Director
       ---------------------------
       Marshall J. Armstrong


    By:Peter O. Crisp             Director
       ---------------------------
       Peter O. Crisp


    By:Donald E. Noble            Director
       ---------------------------
       Donald E. Noble

                                       20PAGE
<PAGE>
                    Report of Independent Public Accountants

    To the Shareholders and Board of Directors of Thermo Power Corporation:

        We have audited, in accordance with generally accepted auditing
    standards, the consolidated financial statements included in Thermo Power
    Corporation's Annual Report to Shareholders incorporated by reference in
    this Form 10-K, and have issued our report thereon dated October 31, 1997
    (except with respect to the matter discussed in Note 13 as to which the
    date is November 19, 1997). Our audits were made for the purpose of
    forming an opinion on those statements taken as a whole. The schedule
    listed in Item 14 on page 19 is the responsibility of the Company's
    management and is presented for purposes of complying with the Securities
    and Exchange Commission's rules and is not part of the basic consolidated
    financial statements. This schedule has been subjected to the auditing
    procedures applied in the audits of the basic consolidated financial
    statements and, in our opinion, fairly states in all material respects
    the consolidated financial data required to be set forth therein in
    relation to the basic consolidated financial statements taken as a whole.



                                              Arthur Andersen LLP



    Boston, Massachusetts
    October 31, 1997

                                       21PAGE
<PAGE>
  SCHEDULE II

                            THERMO POWER CORPORATION

                        Valuation and Qualifying Accounts
                                 (In thousands)

                           Balance  Provision
                                at    Charged              Accounts   Balance
                         Beginning         to   Accounts    Written    at End
  Description              of Year    Expense  Recovered        Off   of Year
  ---------------------------------------------------------------------------
  Allowance for Doubtful
    Accounts
  Year Ended
    September 27, 1997       $ 589     $  252     $    3     $  (87)    $ 757

  Year Ended
    September 28, 1996       $ 530     $  191     $   26     $ (158)    $ 589

  Year Ended
    September 30, 1995       $ 590     $    3     $   16     $  (79)    $ 530

                                       22PAGE
<PAGE>
                                  EXHIBIT INDEX

    Exhibit
    Number     Description of Exhibit
    ------------------------------------------------------------------------
      3.1     Articles of Organization of the Registrant, as amended (filed
              as Exhibit 3(a) to the Registrant's Quarterly Report on Form
              10-Q for the quarter ended April 3, 1993 [File No. 1-10573]
              and incorporated herein by reference).

      3.2     By-laws of the Registrant, as amended (filed as Exhibit 3(b)
              to the Registrant's Annual Report on Form 10-K for the fiscal
              year ended October 2, 1993 [File No. 1-10573] and incorporated
              herein by reference).

      4.1     Specimen Common Stock Certificate (filed as Exhibit 4(b) to
              the Registrant's Annual Report on Form 10-K for the fiscal
              year ended October 2, 1993 [File No. 1-10573] and incorporated
              herein by reference).

      10.1    $160,000,000 Promissory Note dated as of November 17, 1997,
              issued by the Registrant to Thermo Electron (filed as Exhibit
              10.1 to the Registrant's Current Report on Form 8-K dated
              November 6, 1997 [File No. 1-10573] and incorporated herein by
              reference).

      10.2    Amended and Restated Corporate Services Agreement between the
              Registrant and Thermo Electron, dated as of January 3, 1993
              (filed as Exhibit 10(b) to the Registrant's Annual Report on
              Form 10-K for the fiscal year ended September 26, 1992 [File
              No. 1-10573] and incorporated herein by reference).

      10.3    First Amendment to Lease dated September 30, 1994, between the
              Registrant and Thermo Electron Corporation (filed as Exhibit
              10.2 to the Registrant's Annual Report on Form 10-K for the
              fiscal year ended October 1, 1994 [File No. 1-10573] and
              incorporated herein by reference). 

      10.4    Form of Indemnification Agreement between the Registrant and
              its directors and officers (filed as Exhibit 10(e) to the
              Registrant's Registration Statement on Form S-1 [Reg. No.
              33-14017] and incorporated herein by reference).

      10.5    Tax Allocation Agreement dated September 25, 1985, between the
              Registrant and Thermo Electron (filed as Exhibit 10(f) to the
              Registrant's Annual Report on Form 10-K for the fiscal year
              ended October 3, 1987 [File No. 0-15920] and incorporated
              herein by reference).

      10.6    Thermo Electron Corporate Charter, as amended and restated
              effective January 3, 1993 (filed as Exhibit 10(n) to the
              Registrant's Annual Report on Form 10-K for the fiscal year
              ended September 26, 1992 [File No. 1-10573] and incorporated
              herein by reference).

                                       23PAGE
<PAGE>
                                  EXHIBIT INDEX

    Exhibit
    Number    Description of Exhibit
    ------------------------------------------------------------------------
     10.7     Master Repurchase Agreement dated January 1, 1994, between the
              Registrant and Thermo Electron Corporation.

     10.8     Master Reimbursement Agreement dated as of January 2, 1994,
              between the Registrant and Thermo Electron Corporation (filed
              as Exhibit 10.7 to the Registrant's Annual Report on Form 10-K
              for the fiscal year ended October 1, 1994 [File No. 1-10573]
              and incorporated herein by reference).

     10.9     Lease, dated as of January 20, 1988, between Thermo Electron
              Corporation and Michael I. Gilson, Trustee (subsequently
              assigned to the Registrant; filed as Exhibit 10(q) to the
              Registrant's Annual Report on Form 10-K for the fiscal year
              ended September 26, 1992 [File No. 1-10573] and incorporated
              herein by reference).

     10.10    Agreement, dated October 15, 1991, between Thermo Electron
              Corporation and International Union, United Automobile,
              Aerospace and Agricultural Implement Workers of America Local
              203 (subsequently assigned to the Registrant) (filed as
              Exhibit 10(r) to the Registrant's Annual Report on Form 10-K
              for the fiscal year ended September 26, 1992 [File No.
              1-10573] and incorporated herein by reference).

     10.11    Form of Redemption Rights of ThermoLyte Corporation and
              related Guarantee of Thermo Electron Corporation (filed as
              Exhibit 10.11 to the Registrant's Annual Report on Form 10-K
              for the fiscal year ended September 30, 1995 [File No.
              1-10573] and incorporated herein by reference).

     10.12    Guarantee Agreement between ThermoLyte Corporation and Thermo
              Electron Corporation (filed as Exhibit 10.12 to the
              Registrant's Annual Report on Form 10-K for the fiscal year
              ended September 30, 1995 [File No. 1-10573] and incorporated
              herein by reference).

     10.13    Incentive Stock Option Plan of the Registrant, as amended
              (filed as Exhibit 10(h) to the Registrant's Quarterly Report
              on Form 10-Q for the quarter ended April 3, 1993 [File No.
              1-10573] and incorporated herein by reference). (Maximum
              number of shares issuable in the aggregate under this plan and
              the Registrant's Nonqualified Stock Option Plan is 950,000
              shares, after adjustment to reflect share increases approved
              in 1990, 1992, and 1993.)

                                       24PAGE
<PAGE>
                                  EXHIBIT INDEX

    Exhibit
    Number    Description of Exhibit
    ------------------------------------------------------------------------
      10.14   Nonqualified Stock Option Plan of the Registrant, as amended
              (filed as Exhibit 10(i) to the Registrant's Quarterly Report
              on Form 10-Q for the quarter ended April 3, 1993 [File No.
              1-10573] and incorporated herein by reference). (Maximum
              number of shares issuable in the aggregate under this plan and
              the Registrant's Incentive Stock Option Plan is 950,000
              shares, after adjustment to reflect share increases approved
              in 1990, 1992, and 1993.)

      10.15   Equity Incentive Plan of the Registrant (filed as Attachment A
              to the Proxy Statement dated February 18, 1994, of the
              Registrant [File No. 1-10573] and incorporated herein by
              reference).

      10.16   Deferred Compensation Plan for Directors of the Registrant
              (filed as Exhibit 10(k) to the Registrant's Registration
              Statement on Form S-1 [Reg. No. 33-14017] and incorporated
              herein by reference).

      10.17   Directors' Stock Option Plan of the Registrant, as amended
              (filed as Exhibit 10.1 to the Registrant's Quarterly Report on
              Form 10-Q for the quarter ended April 1, 1995 [File No.
              1-10573] and incorporated herein by reference).

      10.18   ThermoLyte Corporation Equity Incentive Plan (filed as Exhibit
              10.71 to the Registrant's Annual Report on Form 10-K for the
              fiscal year ended September 30, 1995 [File No. 1-10573] and
              incorporated herein by reference).

      10.19   Thermo Power - ThermoLyte Corporation Nonqualified Stock
              Option Plan (filed as Exhibit 10.84 to Thermo Cardiosystems'
              Annual Report on Form 10-K for the fiscal year ended December
              30, 1995 [File No. 1-10114] and incorporated herein by
              reference).

              In addition to the stock-based compensation plans of the
              Registrant, the executive officers of the Registrant may be
              granted awards under stock-based compensation plans of Thermo
              Electron, for services rendered to the Registrant or such
              affiliated corporations. Thermo Electron's plans were filed as
              Exhibits 10.21 through 10.45 to the Annual Report on Form 10-K
              of Thermo Electron for the year ended December 28, 1996 [File
              No. 1-8002] and are incorporated herein by reference.

      10.20   Amended and Restated Stock Holding Assistance Plan and Form of
              Promissory Note.

                                       25PAGE
<PAGE>
                                  EXHIBIT INDEX

    Exhibit
    Number    Description of Exhibit
    ------------------------------------------------------------------------
      13      Annual Report to Shareholders for the fiscal year ended
              September 27, 1997 (only those portions incorporated herein by
              reference).

      21      Subsidiaries of the Registrant.

      23      Consent of Arthur Andersen LLP.

      27      Financial Data Scehdule.


                                                        EXHIBIT 10.7
                           MASTER REPURCHASE AGREEMENT

             AGREEMENT dated as of the 1st day of January, 1994 between
        Thermo Electron Corporation, a Delaware corporation ("Seller"),
        and Thermo Power Corporation, a Massachusetts corporation (the
        "Buyer").

        1.   Applicability

             From time to time Buyer and Seller may enter into
        transactions in which Seller agrees to transfer to Buyer certain
        securities and/or financial instruments ("Securities") against
        the transfer of funds by Buyer, with a simultaneous agreement by
        Buyer to transfer to Seller such Securities on demand, against
        the transfer of funds by Seller.  Each such transaction shall be
        referred to herein as a "Transaction" and shall be governed by
        this Agreement, unless otherwise agreed in writing.

        2.   Definitions

             (a)  "Act of Insolvency", with respect to either party (i)
        the commencement by such party as debtor of any case or
        proceeding under any bankruptcy, insolvency, reorganization,
        liquidation, dissolution or similar law, or such party seeking
        the appointment of a receiver, trustee, custodian or similar
        official for such party or any substantial part of its property;
        or (ii) the commencement of any such case or proceeding against
        such party, or another seeking such an appointment, which (A) is
        consented to or not timely contested by such party, (B) results
        in the entry of an order for relief, such an appointment or the
        entry of an order having a similar effect, or (C) is not
        dismissed within 15 days; or (iii) the making by a party of a
        general assignment for the benefit of creditors; or (iv) the
        admission in writing by a party of such party's inability to pay
        such party's debts as they become due; 

             (b)  "Additional Purchased Securities", Securities provided
        by Seller to Buyer pursuant to Paragraph 4(a) hereof; 

             (c)  "Income", with respect to any Security at any time, any
        principal thereof then payable and all interest, dividends or
        other distributions thereon; 

             (d)  "Market Value", with respect to any Securities as of
        any date, the price for such Securities on such date obtained
        from a generally recognized source agreed to by the parties or
        the most recent closing bid quotation from such a source, plus
        accrued Income to the extent not included therein (other than any
        Income transferred to Seller pursuant to Paragraph 6 hereof) as
        of such date (unless contrary to market practice for such
        Securities);
PAGE
<PAGE>
             (e)  "Other Buyers", third parties that have entered into an
        agreement with Seller that is  substantially similar to this
        Agreement; 

             (f)  "Pricing Rate", a rate equal to the Commercial Paper
        Composite rate for 90-day maturities provided by Merrill Lynch,
        Pierce, Fenner & Smith Incorporated (or, if such rate is not
        available, a substantially equivalent rate agreed to by Buyer and
        Seller) plus 25 basis points,  which rate shall be adjusted on
        the first business day of each fiscal quarter and shall be in
        effect for the entirety such fiscal quarter;
         
             (g)  "Purchase Price", the price at which Purchased
        Securities are transferred by Seller to Buyer; 

             (h)  "Purchased Securities", the Securities transferred by
        Seller to Buyer in a Transaction hereunder, and any Securities
        substituted therefor in accordance with Paragraph 9 hereof.  The
        term "Purchased Securities" with respect to any Transaction at
        any time also shall include Additional Purchase Securities
        transferred pursuant to Paragraph 4(a) and shall exclude
        Securities returned pursuant to Paragraph 4(b);  

             (i)  "Repurchase Collateral Account", a book account
        maintained by Seller containing, among other Securities, the
        Purchased Securities; and

             (j)  "Repurchase Price", for any Purchased Security, an
        amount equal to the Purchase Price paid by Buyer to Seller for
        such Purchased Security. 

        3.   Transactions

             (a)  A Transaction may be initiated by Buyer upon the
        transfer of the Purchase Price to Seller's account.  Upon such
        transfer, Seller shall transfer to Buyer Purchased Securities
        having a Market Value equal to 103% of the Purchase Price.

             (b)  Purchased Securities shall be held in custody for Buyer
        by Seller in the Repurchase Collateral Account.  Seller shall
        indicate on its books for such account Buyer's ownership of the
        Purchased Securities.  Upon reasonable request from Buyer, Seller
        shall provide Buyer with a complete list of Purchased Securities
        owned by Buyer.  

             (c)  Upon demand by Buyer or Seller, Seller shall repurchase
        from Buyer, and Buyer shall sell to Seller,  for the Repurchase
        Price all or any part of the Purchased Securities then owned by
        Buyer.

                                        2PAGE
<PAGE>
        4.   Margin Maintenance

             (a)  If at any time the aggregate Market Value of all
        Purchased Securities then owned by Buyer is less than 103% of the
        aggregate Repurchase Price for such Purchased Securities, then
        Seller shall transfer to Buyer additional Securities ("Additional
        Purchased Securities"), so that the aggregate Market Value of
        such Purchased Securities, including any such Additional
        Purchased Securities, will thereupon equal or exceed  103% of
        such aggregate Repurchase Price.

             (b)  If at any time the aggregate Market Value of all
        Purchased Securities then owned by Buyer exceeds 103% of the
        aggregate Repurchase Price for such Purchased Securities, then
        Seller may transfer Purchased Securities to Seller, so that the
        aggregate Market Value of such Purchased Securities will
        thereupon not exceed 103% of such aggregate Repurchase Price.

        5.   Interest Payments

             If during any fiscal month Buyer owned Purchased Securities,
        then on the first day of the next following fiscal month Seller
        shall pay to Buyer an amount equal to the sum of the aggregate
        Repurchase Prices of the Purchased Securities owned by Buyer at
        the close of each day during the preceding fiscal month divided
        by the number of days in such month and the product multiplied by
        the Pricing Rate times the number of days in such month divided
        by 360.

        6.   Income Payments and Voting Rights

             Where a particular Transaction's term extends over an Income
        payment date on the Purchased Securities subject to that
        Transaction, Buyer shall, on the date such Income is payable,
        transfer to Seller an amount equal to such Income payment or
        payments with respect to any Purchased Securities subject to such
        Transaction.  Seller shall retain all voting rights with respect
        to Purchased Securities sold to Buyer under this Agreement.

        7.   Security Interest

             Although the parties intend that all Transactions hereunder
        be sales and purchases and not loans, in the event any such
        Transactions are deemed to be loans, Seller shall be deemed to
        have pledged to Buyer as security for the performance by Seller
        of its obligations under each such Transaction and this
        Agreement, and shall be deemed to have granted to Buyer a
        security interest in, all of the Purchased Securities with
        respect to all Transactions hereunder and all proceeds thereof.

                                        3PAGE
<PAGE>
        8.   Payment and Transfer

             Unless otherwise mutually agreed, all transfers of funds
        hereunder shall be in immediately available funds.  As used
        herein with respect to Securities, "transfer" is intended to have
        the same meaning as when used in Section 8-313 of the
        Massachusetts Uniform Commercial Code or, where applicable, in
        any federal regulation governing transfers of the Securities.

        9.   Substitution

             Buyer hereby grants Seller the authority to manage, in
        Seller's sole discretion, the Purchased Securities held in
        custody for Buyer by Seller in the Repurchase Collateral Account.
        Buyer expressly agrees that Seller may (i) substitute other
        Securities for any Purchased Securities and (ii) commingle
        Purchased Securities with other Securities held in the Repurchase
        Collateral Account.  Substitutions shall be made by transfer to
        Buyer of such other Securities and transfer to Seller of the
        Purchased Securities for which substitution is being made.  After
        substitution, the substituted Securities shall be deemed to be
        Purchased Securities.  Securities which are substituted for
        Purchased Securities shall have a Market Value at the time of
        substitution equal to or greater than the Market Value of the
        Purchase Securities for which such Securities were substituted.

        10.  Representations

             Each of Buyer and Seller represents and warrants to the
        other that (i) it is duly authorized to execute and deliver this
        Agreement, to enter into the Transactions contemplated hereunder
        and to perform its obligations hereunder and has taken all
        necessary action to authorize such execution, delivery and
        performance, (ii) the person signing this Agreement on its behalf
        is duly authorized to do so on its behalf, (iii) it has obtained
        all authorizations of any governmental body required in
        connection with this Agreement and the Transactions hereunder and
        such authorizations are in full force and effect and (iv) the
        execution, delivery and performance of this Agreement and the
        Transactions hereunder will not violate any law, ordinance,
        charter, by-law or rule applicable to it or any agreement by
        which it is bound or by which any of its assets are affected.  On
        the date for any Transaction Buyer and Seller shall each be
        deemed to repeat all the foregoing representations made by it.

        11.  Events of Default

             In the event that (i) Seller fails to repurchase or Buyer
        fails to transfer Purchased Securities upon demand for repurchase
        from either Buyer or Seller, (ii)  Seller or Buyer fails, after
        one business day's notice, to comply with Paragraph 4 hereof,
        (iii) Buyer  fails to make payment to Seller pursuant to  
        Paragraph 6 hereof, (iv) Seller fails to comply with Paragraph 5
        hereof,  (v) an Act of Insolvency occurs with respect to Seller

                                        4PAGE
<PAGE>
        or Buyer, (vi) any representation made by Seller or Buyer shall
        have been incorrect or untrue in any material respect when made
        or repeated or deemed to have been made or repeated, or (vii)
        Seller or Buyer shall admit to the other its inability to, or its
        intention not to, perform any of its obligations hereunder (each
        an "Event of Default"):

             (a)  At the option of the nondefaulting party, exercised by
        written notice to the defaulting party (which option shall be
        deemed to have been exercised, even if no notice is given,
        immediately upon the occurrence of any Act of Insolvency), Seller
        shall become obligated to repurchase, and Buyer shall become
        obligated to sell, all Purchased Securities then owned by Buyer
        for the Repurchase Price of such Purchased Securities.

             (b)  If Seller is the defaulting party and Buyer exercises
        or is deemed to have exercised the option referred to in
        subparagraph (a) of this Paragraph, (i) the Seller's obligations
        hereunder to repurchase all Purchased Securities in such
        Transactions shall thereupon become immediately due and payable,
        (ii) all Income paid after such exercise or deemed exercise shall
        be retained by Buyer and applied to the aggregate unpaid
        Repurchase Prices owed by Seller, and (iii) Seller shall
        immediately deliver to Buyer any Purchased Securities subject to
        such Transactions then in Seller's possession.

             (c)  In all Transactions in which Buyer is the defaulting
        party, upon tender by Seller of payment of the aggregate
        Repurchase Prices for all such Transactions, Buyer's right, title
        and interest in all Purchased Securities subject to such
        Transactions shall be deemed transferred to Seller, and Buyer
        shall deliver all such Purchased Securities to Seller.

             (d)  After one business day's notice to the defaulting party
        (which notice need not be given if an Act of Insolvency shall
        have occurred, and which may be the notice given under
        subparagraph (a) of this Paragraph or the notice referred to in
        clause (ii) of the first sentence of this Paragraph), the
        nondefaulting  party may: 

                  (i)  as to Transactions in which Seller is the
        defaulting party, (A) immediately sell, in a recognized market at
        such price or prices as Buyer may reasonably deem satisfactory,
        any or all Purchased Securities subject to such Transactions and
        apply the proceeds thereof to the aggregate unpaid Repurchase
        Prices and any other amounts owing by Seller hereunder or (B) in
        its sole discretion elect, in lieu of selling all or a portion of
        such Purchased Securities, to give Seller credit for such
        Purchased Securities in an amount equal to the price therefor on
        such date, obtained from a generally recognized source or the
        most recent closing bid quotation from such a source, against the
        aggregate unpaid Repurchase Prices and any other amounts owing by
        Seller hereunder; and

                                        5PAGE
<PAGE>
                  (ii)  as to Transactions in which Buyer is the
        defaulting party, (A) purchase securities ("Replacement
        Securities") of the same class and amount as any Purchased
        Securities that are not delivered by Buyer to Seller as required
        hereunder or (B) in its sole discretion elect, in lieu of
        purchasing Replacement Securities, to be deemed to have purchased
        Replacement Securities at the price therefor on such date,
        obtained from a generally recognized source or the most recent
        closing bid quotation from such a source.

             (e)  As to Transactions in which Buyer is the defaulting
        party , Buyer shall be liable to Seller (i) with respect to
        Purchased Securities (other than Additional Purchased
        Securities), for any excess of the price paid (or deemed paid) by
        Seller for Replacement Securities therefor over the Repurchase
        Price for such Purchased Securities and (ii) with respect to
        Additional Purchased Securities, for the price paid (or deemed
        paid) by Seller for the Replacement Securities therefor.  

             (f)  The defaulting party shall be liable to the
        nondefaulting party for the amount of all reasonable legal or
        other expenses incurred by the nondefaulting party in connection
        with or as a consequence of an Event of Default.

             (g)  The nondefaulting party shall have, in addition to its
        rights hereunder, any rights otherwise available to it under any
        other agreement or applicable law.

        12.  Single Agreement

             Buyer and Seller acknowledge that, and have entered hereinto
        and will enter into each Transaction hereunder in consideration
        of and in reliance upon the fact that, all Transactions hereunder
        constitute a single business and contractual relationship and
        have been made in consideration of each other.  Accordingly, each
        of Buyer and Seller agrees (i) to perform all of its obligations
        in respect of each Transaction hereunder, and that a default in
        the performance of any such obligations shall constitute a
        default by it in respect of all Transactions hereunder, (ii) that
        each of them shall be entitled to set off claims and apply
        property held by them in respect of any Transaction against
        obligations owing to them in respect of any other Transactions
        hereunder and (iii) that payments, deliveries and other transfers
         made by either of them in respect of any Transaction shall be
        deemed to have been made in consideration of payments, deliveries
        and other transfers in respect of any other Transactions
        hereunder, and the obligations to make any such payments,
        deliveries and other transfers may be applied against each other
        and netted.

                                        6PAGE
<PAGE>
        13.  Entire Agreement; Severability

             This Agreement shall supersede any existing agreements
        between the parties containing general terms and conditions for
        repurchase transactions.  Each provision and agreement and
        agreement herein shall be treated as separate and independent
        from any other provision or agreement herein and shall be
        enforceable notwithstanding the unenforceability of any such
        other provision or agreement.

        14.  Non-assignability; Termination

             The rights and obligations of the parties under this
        Agreement and under any Transactions shall not be assigned by
        either party without the prior written consent of the other
        party.  Subject to the foregoing, this Agreement and any
        Transactions shall be binding upon and shall inure to the benefit
        of the parties and their respective successors and assigns.  This
        Agreement may be canceled by either party upon giving written
        notice to the other, except that this Agreement shall,
        notwithstanding such notice, remain applicable to any
        Transactions then outstanding.

        15.  Governing Law

             This Agreement shall be governed by the laws of the
        Commonwealth of Massachusetts without giving effect to the
        conflict of law principles thereof.

        16.  No Waivers, Etc.

             No express or implied waiver of any Event of Default by
        either party shall constitute a waiver of any other Event of
        Default and no exercise of any remedy hereunder by any party
        shall constitute a wavier of its right to exercise any other
        remedy hereunder.  No modification or waiver of any provision of
        this Agreement and no consent by any party to a departure
        herefrom shall be effective unless and until such shall be in
        writing and duly executed by both of the parties hereto. 

        19.  Intent

             (a)  The parties recognize that each Transaction is a
        "repurchase agreement" as that term is defined in Section 101 of
        Title 11 of the United States Code, as amended (except insofar as
        the type of Securities subject to such Transaction or the term of
        such Transaction would render such definition inapplicable), and
        a "securities contract" as that term is defined in Section 741 of
        Title 11 of the United States Code, as amended.

             (b)  It is understood that either party's right to liquidate
        Securities delivered to it in connection with Transactions
        hereunder or to exercise any other remedies pursuant to Paragraph
        11 hereof, is a contractual right to liquidate such Transaction

                                        7PAGE
<PAGE>
        as described in Sections 555 and 559 of Title 11 of the United
        States Code, as amended.

             IN WITNESS WHEREOF, the parties have executed this Agreement
        as of the date first above written.

        THERMO ELECTRON CORPORATION        THERMO POWER CORPORATION

        By:  /s/ Melissa F. Riordan        By:  /s/ J. Timothy Corcoran
             Melissa F. Riordan                 J. Timothy Corcoran
             Treasurer                          President




                                                        EXHIBIT 10.20
                            THERMO POWER CORPORATION
                     RESTATED STOCK HOLDING ASSISTANCE PLAN

        SECTION 1.   Purpose.

             The  purpose  of  this  Plan  is  to  benefit  Thermo  Power
        Corporation (the "Company") and  its stockholders by  encouraging
        Key Employees  to acquire  and maintain  share ownership  in  the
        Company, by increasing  such employees'  proprietary interest  in
        promoting the  growth  and performance  of  the Company  and  its
        subsidiaries and by providing for the implementation of the Stock
        Holding Policy.  

        SECTION 2.     Definitions.

             The following terms, when used in the Plan, shall have the
        meanings set forth below:

             Committee:   The Human Resources Committee of the Board of
        Directors of the Company as appointed from time to time.

             Common Stock:   The common stock of the Company and any
        successor thereto.

             Company:   Thermo Power Corporation, a Massachusetts
        corporation.

             Stock Holding Policy:   The Stock Holding Policy of the
        Company, as adopted by the Committee and as in effect from time
        to time.

             Key Employee:   Any employee of the Company or any of its
        subsidiaries, including any officer or member of the Board of
        Directors who is also an employee, as designated by the
        Committee, and who, in the judgment of the Committee, will be in
        a position to contribute significantly to the attainment of the
        Company's strategic goals and long-term growth and prosperity.

             Loans:   Loans extended to Key Employees by the Company
        pursuant to this Plan.

             Plan:   The Thermo Power Corporation Stock Holding
        Assistance Plan, as amended from time to time.

        SECTION 3.     Administration.

             The Plan and the Stock Holding Policy shall be  administered
        by the Committee,  which shall  have authority  to interpret  the
        Plan  and  the  Stock  Holding  Policy  and,  subject  to   their
        provisions,  to  prescribe,  amend  and  rescind  any  rules  and
        regulations and  to make  all other  determinations necessary  or
        desirable  for  the  administration  thereof.    The  Committee's
        interpretations and decisions  with regard  to the  Plan and  the
PAGE
<PAGE>
        Stock Holding Policy  and such  rules and regulations  as may  be
        established thereunder  shall  be  final  and  conclusive.    The
        Committee may  correct  any  defect or  supply  any  omission  or
        reconcile any  inconsistency in  the Plan  or the  Stock  Holding
        Policy, or  in any  Loan in  the  manner and  to the  extent  the
        Committee deems desirable to carry it into effect.  No member  of
        the Committee  shall be  liable  for any  action or  omission  in
        connection with the Plan or the Stock Holding Policy that is made
        in good faith.

        SECTION 4.     Loans and Loan Limits.

             The Committee  has determined  that the  provision of  Loans
        from time to time  to Key Employees in  such amounts as to  cause
        such Key Employees to comply with the Stock Holding Policy is, in
        the judgment of the Committee, reasonably expected to benefit the
        Company and authorizes the Company  to extend Loans from time  to
        time to Key Employees in such amounts as may be requested by such
        Key Employees in order to  comply with the Stock Holding  Policy.
        Such Loans may be used solely for the purpose of acquiring Common
        Stock (other than  upon the  exercise of stock  options or  under
        employee stock  purchase plans)  in open  market transactions  or
        from the Company.

             Each  Loan  shall  be  full  recourse  and  evidenced  by  a
        non-interest bearing promissory  note substantially  in the  form
        attached hereto  as  Exhibit A    (the  "Note")  and  maturing in
        accordance  with  the  provisions   of  Section  6  hereof,   and
        containing  such  other  terms  and  conditions,  which  are  not
        inconsistent with  the  provisions  of the  Plan  and  the  Stock
        Holding Policy, as the Committee shall determine in its sole  and
        absolute discretion.

        SECTION 5.     Federal Income Tax Treatment of Loans.

             For federal income tax purposes, interest on Loans shall  be
        imputed on any interest free Loan extended under the Plan.  A Key
        Employee shall be deemed to have paid the imputed interest to the
        Company and the Company shall be deemed to have paid said imputed
        interest back  to the  Key Employee  as additional  compensation.
        The deemed interest payment  shall be taxable  to the Company  as
        income, and may be deductible to  the Key Employee to the  extent
        allowable under the rules relating  to investment interest.   The
        deemed compensation payment to the Key Employee shall be  taxable
        to the employee and deductible to the Company, but shall also  be
        subject to employment taxes such as FICA and FUTA.

        SECTION 6.     Maturity of Loans.

             Each Loan  to a  Key  Employee hereunder  shall be  due  and
        payable on demand  by the Company.   If no  such demand is  made,
        then each  Loan  shall mature  and  the principal  thereof  shall
        become due and payable  on the fifth anniversary  of the date  of
        the Loan,  provided  that the  Committee  may, in  its  sole  and

                                        2PAGE
<PAGE>
        absolute discretion, authorize such other maturity and  repayment
        schedule as the Committee  may determine.   Each Loan shall  also
        become immediately due and payable in full, without demand,  upon
        the  occurrence of  any of  the events  set forth  in the  Note;
        provided that  the  Committee  may,  in  its  sole  and  absolute
        discretion, authorize an extension of the time for repayment of a
        Loan  upon  such  terms  and  conditions  as  the  Committee  may
        determine.

        SECTION 7.     Amendment and Termination of the Plan.

             The Committee may from time to time alter or amend the  Plan
        or the Stock Holding Policy in any respect, or terminate the Plan
        or the Stock Holding  Policy at any time.   No such amendment  or
        termination, however, shall alter  or otherwise affect the  terms
        and conditions  of  any Loan  then  outstanding to  Key  Employee
        without such Key Employee's written consent, except as  otherwise
        provided herein or in the promissory note evidencing such Loan.

        SECTION 8.     Miscellaneous Provisions.

             (a)  No employee or  other person  shall have  any claim  or
        right to receive  a Loan under  the Plan, and  no employee  shall
        have any right to be retained in the employ of the Company due to
        his or her participation in the Plan.

             (b)  No Loan shall be made hereunder unless counsel for  the
        Company shall be satisfied that  such Loan will be in  compliance
        with applicable federal, state and local laws.

             (c)  The expenses of the Plan shall be borne by the Company.

             (d)  The Plan shall be unfunded,  and the Company shall  not
        be required to establish any special or separate fund or to  make
        any other segregation of assets to assure the making of any  Loan
        under the Plan.

             (e)  Except as otherwise  provided in Section  7 hereof,  by
        accepting any Loan  under the  Plan, each Key  Employee shall  be
        conclusively  deemed  to  have   indicated  his  acceptance   and
        ratification of, and consent to, any action taken under the  Plan
        or the  Stock  Holding  Policy  by  the  Company,  the  Board  of
        Directors of the Company or the Committee.

             (f)  The appropriate officers of the Company shall cause  to
        be filed  any reports,  returns  or other  information  regarding
        Loans hereunder, as  may be required  by any applicable  statute,
        rule or regulation.

        SECTION 9.     Effective Date.

             The Plan and the Stock Holding Policy shall become effective
        upon approval and adoption by the Committee.

                                        3PAGE
<PAGE>
                               EXHIBIT A TO STOCK HOLDING ASSISTANCE PLAN

                            THERMO POWER CORPORATION

                                 Promissory Note

        $_________                                                       
                                                Dated:____________

             For value  received, ________________,  an individual  whose
        residence is located at _______________________ (the "Employee"),
        hereby  promises  to  pay   to  Thermo  Power  Corporation   (the
        "Company"), or assigns, ON DEMAND, but  in any case on or  before
        [insert date which is the fifth anniversary of date of  issuance]
        (the "Maturity  Date"),  the principal  sum  of [loan  amount  in
        words] ($_______), or such part  thereof as then remains  unpaid,
        without interest.  Principal shall be payable in lawful money  of
        the United States of America, in immediately available funds,  at
        the principal office of the Company or at such other place as the
        Company may  designate  from  time  to time  in  writing  to  the
        Employee. 

              Unless the Company has already made a demand for payment in
        full of this Note,  the Employee agrees to  repay to the  Company
        from the Employee's annual cash incentive compensation  (referred
        to as  bonus), beginning  with the  first such  bonus payment  to
        occur after the date of  this Note and on  each of the next  four
        bonus payment dates  occurring prior to  the Maturity Date,  such
        amount as may be  designated by the Company  but which shall  not
        exceed 20% of the Employee's bonus payment.  Any amount remaining
        unpaid under  this  Note, if  no  demand  has been  made  by  the
        Company, shall be due and payable on the Maturity Date.

             This Note may be prepaid at  any time or from time to  time,
        in whole  or  in part,  without  any  premium or  penalty.    The
        Employee acknowledges and agrees that the Company has advanced to
        the Employee the principal  amount of this  Note pursuant to  the
        Company's Stock Holding Assistance Plan,  and that all terms  and
        conditions of such Plan are incorporated herein by reference.  

             The unpaid principal amount of this Note shall be and become
        immediately due  and payable  without notice  or demand,  at  the
        option of  the  Company,  upon  the  occurrence  of  any  of  the
        following events:

                  (a)  the termination of the Employee's employment  with
             the Company, with or without cause, for any reason or for no
             reason;

                  (b)  the death or disability of the Employee;

                                        4PAGE
<PAGE>
                  (c)  the failure  of the  Employee to  pay his  or  her
             debts as they  become due, the  insolvency of the  Employee,
             the filing by or against the Employee of any petition  under
             the United  States Bankruptcy  Code (or  the filing  of  any
             similar  petition   under   the  insolvency   law   of   any
             jurisdiction),  or  the  making   by  the  Employee  of   an
             assignment or trust mortgage for the benefit of creditors or
             the appointment of  a receiver, custodian  or similar  agent
             with respect  to,  or  the  taking by  any  such  person  of
             possession of, any property of the Employee; or

                  (d)  the issuance of any writ of attachment, by trustee
             process or otherwise, or any restraining order or injunction
             not removed, repealed or  dismissed within thirty (30)  days
             of issuance, against or affecting the person or property  of
             the Employee or any liability or obligation of the  Employee
             to the Company.

             In case any payment  herein provided for  shall not be  paid
        when due,  the Employee  further  promises to  pay all  costs  of
        collection, including all reasonable attorneys' fees.

             No  delay  or  omission  on  the  part  of  the  Company  in
        exercising any right hereunder shall operate as a waiver of  such
        right or of any other right of the Company, nor shall any  delay,
        omission or waiver  on any  one occasion be  deemed a  bar to  or
        waiver of the  same or any  other right on  any future  occasion.
        The  Employee  hereby  waives  presentment,  demand,  notice   of
        prepayment,  protest  and  all  other  demands  and  notices   in
        connection with the delivery, acceptance, performance, default or
        enforcement of this Note.  The undersigned hereby assents to  any
        indulgence  and  any  extension  of  time  for  payment  of   any
        indebtedness  evidenced  hereby  granted  or  permitted  by   the
        Company.  

             This Note  has been  made pursuant  to the  Company's  Stock
        Holding Assistance Plan and shall be governed by and construed in
        accordance with, such Plan  and the laws  of the Commonwealth  of
        Massachusetts and shall have the effect of a sealed instrument.

                                      _______________________________

                                      Employee Name: _________________

        ________________________
        Witness




                                                                   Exhibit 13











                            THERMO POWER CORPORATION

                        Consolidated Financial Statements

                                 Fiscal Year 1997
PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements

                        Consolidated Statement of Income

                                                     Year Ended
                                        ------------------------------------
    (In thousands except                Sept. 27,    Sept. 28,     Sept. 30,
    per share amounts)                       1997         1996          1995
    ------------------------------------------------------------------------
    Revenues (Note 12)                   $121,046     $120,736      $103,255
                                         --------     --------      --------
    Costs and Operating Expenses:
      Cost of revenues                     99,154      100,379        79,823
      Selling, general, and
        administrative expenses (Note 6)   16,926       16,739        15,886
      Research and development expenses     2,296        3,214         3,065
                                         --------     --------      --------
                                          118,376      120,332        98,774
                                         --------     --------      --------
    Operating Income                        2,670          404         4,481

    Interest Income                         1,829        1,714         1,919
    Interest Expense                          (18)         (26)          (23)
    Gain on Sale of Investments, Net
      (includes $53, $469, and $768 on
      sale of related-party investments;
      Notes 2 and 6)                           53          208           730
                                         --------     --------      --------
    Income Before Income Taxes
      and Minority Interest                 4,534        2,300         7,107
    Provision for Income Taxes (Note 5)     2,118        1,103         2,737
    Minority Interest Expense                 312          312           182
                                         --------     --------      --------
    Net Income                           $  2,104     $    885      $  4,188
                                         ========     ========      ========

    Earnings per Share                   $    .17     $    .07      $    .34
                                         ========     ========      ========

    Weighted Average Shares                12,212       12,466        12,372
                                         ========     ========      ========


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

                                        2PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements

                           Consolidated Balance Sheet

                                                     Sept. 27,     Sept. 28,
    (In thousands)                                        1997          1996
    ------------------------------------------------------------------------
    Assets
    Current Assets:
      Cash and cash equivalents                       $ 19,347      $ 29,852
      Available-for-sale investments, at quoted
        market value (amortized cost of $9,129 and
        $6,022; Notes 2 and 6)                           9,171         6,028
      Accounts receivable, less allowances of $757
        and $589                                        21,012        18,054
      Unbilled contract costs and fees                   4,856         7,110
      Inventories                                       19,884        18,637
      Prepaid income taxes (Note 5)                      3,118         2,921
      Other current assets                                 219           324
                                                      --------      --------
                                                        77,607        82,926
                                                      --------      --------
    Rental Assets, at Cost, Net                         10,276         9,980
                                                      --------      --------
    Property, Plant, and Equipment, at Cost, Net        10,591         9,767
                                                      --------      --------
    Long-term Available-for-sale Investments,
      at Quoted Market Value (amortized cost of
      $2,301 and $210; Notes 2, 6, and 13)               2,200           184
                                                      --------      --------
    Other Assets                                           236           345
                                                      --------      --------
    Cost in Excess of Net Assets of Acquired
      Companies                                          7,082         7,509
                                                      --------      --------
                                                      $107,992      $110,711
                                                      ========      ========

                                        3PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements

                     Consolidated Balance Sheet (continued)

                                                     Sept. 27,     Sept. 28,
    (In thousands except share amounts)                   1997          1996
    ------------------------------------------------------------------------
    Liabilities and Shareholders' Investment
    Current Liabilities:
      Accounts payable                                $  9,622      $ 14,005
      Accrued payroll and employee benefits              3,133         2,832
      Billings in excess of contract costs and fees      1,353         1,017
      Accrued warranty costs                             3,435         2,323
      Accrued income taxes                               1,620           713
      Other accrued expenses                             3,240         3,806
      Due to parent company and affiliated companies       496           511
                                                      --------      --------
                                                        22,899        25,207
                                                      --------      --------
    Deferred Income Taxes (Note 5)                         114            84
                                                      --------      --------
    Long-term Obligations (Notes 9 and 10)                 252           305
                                                      --------      --------
    Commitments (Notes 6 and 7)

    Common Stock of Subsidiary Subject to Redemption
      ($18,450 redemption value)                        18,059        17,747
                                                      --------      --------
    Shareholders' Investment (Notes 4 and 8):
      Common stock, $.10 par value, 30,000,000
        shares authorized; 12,493,371 and 12,487,149
        shares issued                                    1,249         1,249
      Capital in excess of par value                    55,283        54,448
      Retained earnings                                 13,811        11,707
      Treasury stock at cost, 578,124 and 2,724
        shares                                          (3,636)          (23)
      Net unrealized loss on available-for-sale
        investments (Note 2)                               (39)          (13)
                                                      --------      --------
                                                        66,668        67,368
                                                      --------      --------
                                                      $107,992      $110,711
                                                      ========      ========


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

                                        4PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements

                      Consolidated Statement of Cash Flows

                                                     Year Ended
                                         -----------------------------------
                                         Sept. 27,    Sept. 28,     Sept. 30,
    (In thousands)                           1997         1996          1995
    ------------------------------------------------------------------------
    Operating Activities
      Net income                         $  2,104     $    885      $  4,188
      Adjustments to reconcile net
        income to net cash provided
        by (used in) operating
        activities:
          Depreciation and amortization     3,156        3,033         2,082
          Provision for losses on
            accounts receivable               252          191             3
          Minority interest expense           312          312           182
          Gain on sale of investments,
            net (Notes 2 and 6)               (53)        (208)         (730)
          Deferred income tax expense
            (benefit)                        (403)         372            62
          Other noncash items                   3            -          (191)
          Changes in current accounts,
            excluding the effects of
            acquisitions:
              Accounts receivable          (3,210)         216        (4,568)
              Inventories                  (1,247)       1,769        (7,889)
              Unbilled contract costs
                and fees                    2,254         (766)         (992)
              Other current assets            105          428          (786)
              Accounts payable             (4,383)         740         3,333
              Other current liabilities     3,318          238           196
                                         --------     --------      --------
    Net cash provided by (used in)
      operating activities                  2,208        7,210        (5,110)
                                         --------     --------      --------
    Investing Activities:
      Acquisitions, net of cash
        acquired (Note 3)                       -         (860)       (2,500)
      Purchases of available-for-sale
        investments                       (11,301)      (5,000)         (365)
      Proceeds from sale and maturities
        of available-for-sale investments   6,000        8,982         9,074
      Proceeds from sale of related-party
        investments (Note 6)                  262          852         1,599
      Increase in rental assets            (3,191)      (4,849)       (3,865)
      Proceeds from sale of rental
        assets                              1,522        2,268         1,017
      Purchases of property, plant,
        and equipment                      (2,431)      (2,713)       (2,101)
      Other                                    21          140           273
                                         --------     --------      --------
    Net cash provided by (used in)
      investing activities               $ (9,118)    $ (1,180)     $  3,132
                                         --------     --------      --------
                                        5PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements

                Consolidated Statement of Cash Flows (continued)

                                                     Year Ended
                                        ------------------------------------
                                        Sept. 27,    Sept. 28,     Sept. 30,
    (In thousands)                           1997         1996          1995
    ------------------------------------------------------------------------
    Financing Activities:
      Net proceeds from issuance of
        Company and subsidiary common
        stock                            $     71     $    377      $ 18,064
      Repurchases of Company common
        stock                              (3,613)           -             -
      Repayment of long-term obligations      (53)         (59)          (56)
                                         --------     --------      --------
    Net cash provided by (used in)
      financing activities                 (3,595)         318        18,008
                                         --------     --------      --------
    Increase (Decrease) in Cash and
      Cash Equivalents                    (10,505)       6,348        16,030
    Cash and Cash Equivalents at
      Beginning of the Year                29,852       23,504         7,474
                                         --------     --------      --------
    Cash and Cash Equivalents at End
      of Year                            $ 19,347     $ 29,852      $ 23,504
                                         ========     ========      ========

    Cash Paid for:
      Interest                           $     18     $     26      $     23
      Income taxes                       $    445     $    894      $  2,796

    Noncash Investing Activities:
      Fair value of assets of acquired
        companies                        $      -     $    860      $  2,500
      Cash paid for acquired companies          -         (860)       (2,500)
                                         --------     --------      --------
          Liabilities assumed of
            acquired companies           $      -     $      -      $      -
                                         ========     ========      ========


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

                                        6PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements

               Consolidated Statement of Shareholders' Investment

    (In thousands)                            1997       1996         1995
    ----------------------------------------------------------------------
    Common Stock, $.10 Par Value
      Balance at beginning of year         $ 1,249    $ 1,248      $ 1,243
      Issuance of stock under employees'
        and directors' stock plans               -          1            5
                                           -------    -------      -------
      Balance at end of year                 1,249      1,249        1,248
                                           -------    -------      -------
    Capital in Excess of Par Value
      Balance at beginning of year          54,448     53,898       53,211
      Issuance of stock under employees'
        and directors' stock plans              71         58          534
      Tax benefit related to employees'
        and directors' stock plans
        (Note 5)                               764        492          153
                                           -------    -------      -------
      Balance at end of year                55,283     54,448       53,898
                                           -------    -------      -------
    Retained Earnings
      Balance at beginning of year          11,707     10,822        6,634
      Net income                             2,104        885        4,188
                                           -------    -------      -------
      Balance at end of year                13,811     11,707       10,822
                                           -------    -------      -------
    Treasury Stock
      Balance at beginning of year             (23)      (341)        (613)
      Purchases of Company common stock     (3,613)         -            -
      Issuance of stock under employees'
        and directors' stock plans               -        318          272
                                           -------    -------      -------
      Balance at end of year                (3,636)       (23)        (341)
                                           -------    -------      -------
    Net Unrealized Loss on Available-for-
      sale Investments
      Balance at beginning of year             (13)       198            -
      Effect of change in accounting
        principle (Note 2)                       -          -          268
      Change in net unrealized loss on
        available-for-sale investments
        (Note 2)                               (26)      (211)         (70)
                                           -------    -------      -------
      Balance at end of year                   (39)       (13)         198
                                           -------    -------      -------
    Total Shareholders' Investment         $66,668    $67,368      $65,825
                                           =======    =======      =======


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

                                        7PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements

                   Notes to Consolidated Financial Statements

    1.  Nature of Operations and Summary of Significant Accounting Policies

    Nature of Operations
        Thermo Power Corporation (the Company) manufactures, markets, and
    services industrial refrigeration equipment, natural gas engines for
    vehicular and stationary applications, marine engines, fork-lift engines,
    and natural gas-fueled commercial cooling and cogeneration systems. The
    Company also conducts research and development on applications of thermal
    energy and rents commercial cooling and industrial refrigeration
    equipment. In addition, the Company is developing and commercializing
    various gas-powered lighting products.

    Relationship with Thermo Electron Corporation
        The Company was incorporated on June 6, 1985, as a wholly owned
    subsidiary of Thermo Electron Corporation. As of September 27, 1997,
    Thermo Electron owned 8,127,906 shares of the Company's common stock,
    representing 68% of such stock outstanding.

    Principles of Consolidation
        The accompanying financial statements include the accounts of the
    Company, its wholly owned subsidiaries, and its 78%-owned privately held
    subsidiary, ThermoLyte Corporation. All material intercompany accounts
    and transactions have been eliminated.

    Fiscal Year
        The Company has adopted a fiscal year ending the Saturday nearest
    September 30. References to fiscal 1997, 1996, and 1995 are for the
    fiscal years ended September 27, 1997, September 28, 1996, and September
    30, 1995, respectively. 

    Revenue Recognition
        The Company recognizes revenues upon shipment of its products or upon
    completion of services it renders, and recognizes rental revenues on a
    straight-line basis over the term of the rental contract. The Company
    provides a reserve for its estimate of warranty costs at the time of
    shipment. Revenues and profits on contracts are recognized using the
    percentage-of-completion method. Revenues recorded under the percentage-
    of-completion method, including revenues from research and development
    contracts, were $60,590,000 in fiscal 1997, $57,842,000 in fiscal 1996,
    and $53,045,000 in fiscal 1995. The percentage of completion is
    determined by relating the actual costs incurred to date to management's
    estimate of total costs to be incurred on each contract. If a loss is
    indicated on any contract in process, a provision is made currently for
    the entire loss. Contracts at the Company's FES division generally
    provide for the billing of customers on a fixed-price basis upon contract
    completion. Contracts at the Company's Tecogen division generally provide
    for the billing of customers on a cost-plus-fixed-fee basis as costs are
    incurred. Revenues earned on contracts in process in excess of billings
    are classified as unbilled contract costs and fees, and amounts billed in
    excess of revenues are classified as billings in excess of contract costs
    and fees in the accompanying balance sheet. There are no significant
    amounts included in the accompanying balance sheet that are not expected

                                        8PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements

                   Notes to Consolidated Financial Statements

    1.  Nature of Operations and Summary of Significant Accounting Policies
        (continued)

    to be recovered from existing contracts at current contract values, or
    that are not expected to be collected within one year, including amounts
    that are billed but not paid under retainage provisions.

    Research and Development Arrangements
        The Company has research and development arrangements with the
    natural gas industry and various government agencies. Revenues in the
    accompanying statement of income include $4,688,000, $5,836,000, and
    $4,917,000 and cost of revenues include $3,776,000, $4,475,000, and
    $3,548,000 related to these arrangements in fiscal 1997, 1996, and 1995,
    respectively. The Company is required to pay royalties for any
    technologies developed or products commercialized under several of these
    arrangements. Selling, general, and administrative expenses in the
    accompanying statement of income include royalty expense related to these
    arrangements of $65,000, $71,000, and $51,000 in fiscal 1997, 1996, and
    1995, respectively.

    Stock-based Compensation Plans
         The Company applies Accounting Principles Board Opinion (APB) No.
    25, "Accounting for Stock Issued to Employees," and related
    interpretations in accounting for its stock-based compensation plans
    (Note 4). Accordingly, no accounting recognition is given to stock
    options granted at fair market value until they are exercised. Upon
    exercise, net proceeds, including tax benefits realized, are credited to
    equity.

    Income Taxes
        In accordance with Statement of Financial Accounting Standards (SFAS)
    No. 109, "Accounting for Income Taxes," the Company recognizes deferred
    income taxes based on the expected future tax consequences of differences
    between the financial statement basis and the tax basis of assets and
    liabilities calculated using enacted tax rates in effect for the year in
    which the differences are expected to be reflected in the tax return.

    Earnings per Share
        Earnings per share have been computed based on the weighted average
    number of shares outstanding during the year. Because the effect of the
    assumed exercise of stock options would be immaterial, they have been
    excluded from the earnings per share calculation.

    Cash and Cash Equivalents
        As of September 27, 1997, $17,994,000 of the Company's cash
    equivalents were invested in a repurchase agreement with Thermo Electron.
    Under this agreement, the Company in effect lends excess cash to Thermo
    Electron, which Thermo Electron collateralizes with investments
    principally consisting of U.S. government-agency securities, corporate
    notes, commercial paper, money market funds, and other marketable
    securities, in the amount of at least 103% of such obligation. The
    Company's funds subject to the repurchase agreement are readily

                                        9PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements

                   Notes to Consolidated Financial Statements

    1.  Nature of Operations and Summary of Significant Accounting Policies
        (continued)

    convertible into cash by the Company. The repurchase agreement earns a
    rate based on the 90-day Commercial Paper Composite Rate plus 25 basis
    points, set at the beginning of each quarter. Cash equivalents are
    carried at cost, which approximates market value.

    Available-for-sale Investments
        Pursuant to SFAS No. 115, "Accounting for Certain Investments in Debt
    and Equity Securities," effective October 2, 1994, the Company's debt and
    marketable equity securities are accounted for at market value (Note 2).

    Inventories
        Inventories are stated at the lower of cost (on a first-in, first-out
    basis) or market value and include materials, labor, and manufacturing
    overhead. The components of inventories are as follows:

    (In thousands)                                         1997         1996
    ------------------------------------------------------------------------
    Raw materials and supplies                          $17,570      $16,233
    Work in process and finished goods                    2,314        2,404
                                                        -------      -------
                                                        $19,884      $18,637
                                                        =======      =======
    Rental Assets
        The costs of additions and improvements are capitalized, while
    maintenance and repairs are charged to expense as incurred. The Company
    provides for depreciation on rental assets over an estimated useful life
    of seven years. Accumulated depreciation was $3,369,000 and $2,378,000 at
    fiscal year-end 1997 and 1996, respectively.

    Property, Plant, and Equipment
        The costs of additions and improvements are capitalized, while
    maintenance and repairs are charged to expense as incurred. The Company
    provides for depreciation and amortization using the straight-line method
    over the estimated useful lives of the property as follows: buildings, 40
    years; machinery and equipment, 3 to 12 years; and leasehold
    improvements, the shorter of the term of the lease or the life of the
    asset. Property, plant, and equipment consists of the following:

    (In thousands)                                         1997         1996
    ------------------------------------------------------------------------
    Land                                                $   252      $   252
    Buildings                                             5,731        5,558
    Machinery, equipment, and leasehold improvements     13,654       11,770
                                                        -------      -------
                                                         19,637       17,580
    Less: Accumulated depreciation and amortization       9,046        7,813
                                                        -------      -------
                                                        $10,591      $ 9,767
                                                        =======      =======
                                       10PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements

                   Notes to Consolidated Financial Statements

    1.  Nature of Operations and Summary of Significant Accounting Policies
        (continued)

    Cost in Excess of Net Assets of Acquired Companies
        The excess of cost over the fair value of net assets of acquired
    companies is amortized using the straight-line method over 40 years.
    Accumulated amortization was $710,000 and $512,000 at fiscal year-end
    1997 and 1996, respectively. The Company assesses the future useful life
    of this asset whenever events or changes in circumstances indicate that
    the current useful life has diminished. The Company considers the future
    undiscounted cash flows of the acquired companies in assessing the
    recoverability of this asset. If impairment has occurred, any excess of
    carrying value over fair value is recorded as a loss.

    Common Stock of Subsidiary Subject to Redemption
        In March 1995, ThermoLyte sold 1,845,000 units, each unit consisting
    of one share of ThermoLyte common stock, $.001 par value, and one
    redemption right, at $10.00 per unit, for net proceeds of $17,253,000.
    Holders of the common stock purchased in the offering will have the
    option to require ThermoLyte to redeem in December 1998 or 1999 any or
    all of their shares at $10.00 per share. The redemption rights are
    guaranteed on a subordinated basis by Thermo Electron. The Company has
    agreed to reimburse Thermo Electron in the event Thermo Electron is
    required to make a payment under the guarantee. The difference between
    the redemption value and the original carrying amount of common stock of
    subsidiary subject to redemption is accreted using the straight-line
    method over the period ending December 1998, which corresponds to the
    first redemption period. The accretion is charged to minority interest
    expense in the accompanying statement of income. ThermoLyte is developing
    various gas-powered lighting products for commercialization. Following
    the offering, the Company owned 78% of ThermoLyte's outstanding common
    stock.

    Use of Estimates
        The preparation of 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,
    disclosure of contingent assets and liabilities at the date of the
    financial statements, and the reported amounts of revenues and expenses
    during the reporting period. Actual results could differ from those
    estimates.

    Presentation
        Certain amounts in fiscal 1996 and 1995 have been reclassified to
    conform to the presentation in the fiscal 1997 financial statements.

    2.  Available-for-sale Investments

        The Company's debt and marketable equity securities are considered
    available-for-sale investments in the accompanying balance sheet and are
    carried at market value, with the difference between cost and market
    value, net of related tax effects, recorded currently as a component of

                                       11PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements

                   Notes to Consolidated Financial Statements

    2.  Available-for-sale Investments (continued)

    shareholders' investment titled "Net unrealized loss on available-for-
    sale investments." Effect of change in accounting principle in the
    accompanying fiscal 1995 statement of shareholders' investment represents
    the unrealized gain, net of related tax effects, pertaining to
    available-for-sale investments held by the Company on October 2, 1994.
        The aggregate market value, cost basis, and gross unrealized gains
    and losses of short- and long-term available-for-sale investments by
    major security type are as follows:

                                                          Gross       Gross
                                  Market       Cost  Unrealized  Unrealized
    (In thousands)                 Value      Basis       Gains      Losses
    ------------------------------------------------------------------------
    1997

    Government-agency securities $ 5,008    $ 4,982     $    26     $     -
    Corporate bonds                4,068      4,052          16           -
    Other                          2,295      2,396           -        (101)
                                 -------    -------     -------     -------
                                 $11,371    $11,430     $    42     $  (101)
                                 =======    =======     =======     =======

    1996

    Government-agency securities $ 5,992    $ 5,986     $     6     $     -
    Other                            220        246           -         (26)
                                 -------    -------     -------     -------
                                 $ 6,212    $ 6,232     $     6     $   (26)
                                 =======    =======     =======     =======

        Short- and long-term available-for-sale investments in the
    accompanying fiscal 1997 balance sheet include equity securities of
    $2,200,000 and debt securities of $9,171,000 with contractual maturities
    of more than one year through five years. Actual maturities may differ
    from contractual maturities as a result of the Company's intent to sell
    these securities prior to maturity and as a result of put and call
    options that enable either the Company, the issuer, or both, to redeem
    these securities at an earlier date.
        The cost of available-for-sale investments that were sold was based
    on specific identification in determining realized gains and losses
    recorded in the accompanying statement of income. Gain on sale of
    investments, net, in the accompanying fiscal 1997 statement of income
    resulted from gross realized gains relating to the sale of available-for-
    sale investments. Gain on sale of investments, net, in the accompanying
    fiscal 1996 and 1995 statement of income resulted from gross realized
    gains of $469,000 and 768,000, respectively, and gross realized losses of
    $18,000 and $38,000, respectively, relating to the sale of
    available-for-sale investments, and a write-down of other investments of
    $243,000 in fiscal 1996.

                                       12PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements

                   Notes to Consolidated Financial Statements

    3.  Acquisitions

        In the first quarter of fiscal 1996, the Company acquired the
    thermoelectric cooling module business of ThermoTrex Corporation for
    $860,000, which was the net book value of the business acquired.
    ThermoTrex is a majority-owned subsidiary of Thermo Electron. Because the
    Company and the thermoelectric cooling module business were deemed for
    accounting purposes to be under control of their common majority owner,
    Thermo Electron, the transaction has been accounted for at historical
    cost in a manner similar to the pooling-of-interests method. The results
    of the thermoelectric cooling module business were not material to the
    Company's results, and therefore the Company's historical financial
    information for periods prior to fiscal 1996 has not been restated. The
    results of the thermoelectric cooling module business have been included
    in the accompanying financial statements from the date of acquisition.
        Effective May 1, 1994, the Company acquired NuTemp, Inc. for
    $7,947,000 in cash. In fiscal 1995, the Company paid an additional
    $2,500,000 as a result of NuTemp having achieved certain previously
    agreed upon performance goals through the period ending May 1, 1995. The
    additional payment was recorded as an increase in cost in excess of net
    assets of acquired companies, which is being amortized over 40 years.

    4.  Employee Benefit Plans

    Stock-based Compensation Plans

    Stock Option Plans
    ------------------
        The Company has stock-based compensation plans for its key employees,
    directors, and others. The Company's equity incentive plan permits the
    grant of a variety of stock and stock-based awards as determined by the
    human resources committee of the Company's Board of Directors (the Board
    Committee), including restricted stock, stock options, stock bonus
    shares, or performance-based shares. To date, only nonqualified stock
    options have been awarded under these plans. The option recipients and
    the terms of options granted under these plans are determined by the
    Board Committee. Generally, options granted to date are exercisable
    immediately, but are subject to certain transfer restrictions and the
    right of the Company to repurchase shares issued upon exercise of the
    options at the exercise price, upon certain events. The restrictions and
    repurchase rights generally lapse ratably over periods ranging from three
    to ten years after the first anniversary of the grant date, depending on
    the term of the option, which may range from five to twelve years.
    Nonqualified stock options may be granted at any price determined by the
    Board Committee, although incentive stock options must be granted at not
    less than the fair market value of the Company's stock on the date of
    grant. To date, all options have been granted at fair market value. The
    Company also has a directors' stock option plan that provides for the
    grant of stock options in the Company and its majority-owned subsidiary
    to outside directors pursuant to a formula approved by the Company's
    shareholders. Options in the Company awarded under this plan are
    exercisable six months after the date of grant and expire three or seven 

                                       13PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements

                   Notes to Consolidated Financial Statements

    4.  Employee Benefit Plans (continued)

    years after the date of grant. In addition to the Company's stock-based
    compensation plans, certain officers and key employees may also
    participate in the stock-based compensation plans of Thermo Electron.
        A summary of the Company's stock option information is as follows:

                               1997              1996             1995
                        -----------------  ---------------- ---------------
                                                                   Range of
                                Weighted           Weighted          Option
                        Number   Average  Number    Average  Number  Prices
    (Shares in              of  Exercise      of   Exercise      of     per
    thousands)          Shares     Price  Shares      Price  Shares   Share
    -----------------------------------------------------------------------
    Options outstanding,                                            $ 4.20-
     beginning of year   1,342    $ 9.35   1,406     $ 9.24   1,259 $10.15
                                                                      8.95-
      Granted               68      8.07      12      13.07     296  17.53
                                                                      4.20-
      Exercised             (1)     5.45     (40)      6.76    (111)  9.58
                                                                      7.45-
      Forfeited           (126)     9.03     (36)      8.98     (38)  9.58
                         -----             -----              -----
    Options outstanding,                                            $ 4.20-
     end of year         1,283    $ 9.32   1,342     $ 9.35   1,406 $17.53
                         =====    ======   =====     ======   ===== ======

    Options                                                         $ 4.20-
      exercisable        1,283    $ 9.32   1,342     $ 9.35   1,406 $17.53
                         =====    ======   =====     ======   ===== ======

    Options available
      for grant             49                75                 97
                         =====             =====              =====

    Weighted average
      fair value per
      share of options
      granted during
      year                        $ 3.45             $ 4.83
                                  ======             ======

                                       14PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements

                   Notes to Consolidated Financial Statements

   4.  Employee Benefit Plans (continued)

       A summary of the status of the Company's stock options at September
   27, 1997, is as follows:
                                   Options Outstanding and Exercisable
                               -------------------------------------------
                               Number   Weighted Average
                                   of          Remaining  Weighted Average
   Range of Exercise Prices    Shares   Contractual Life    Exercise Price
   -----------------------------------------------------------------------
   (Shares in thousands)

   $ 6.40 - $ 9.18              1,068          6.8 years            $ 8.86
     9.19 -  11.96                157          2.2 years              9.62
    11.97 -  14.75                  8          3.8 years             13.65
    14.76 -  17.53                 50          0.8 years             17.53
                                -----
   $ 6.40 - $17.53              1,283          6.0 years            $ 9.32
                                =====

   Employee Stock Purchase Program
   -------------------------------
       Substantially all of the Company's full-time employees are eligible
   to participate in an employee stock purchase program sponsored by the
   Company and Thermo Electron. Under this program, shares of the Company's
   and Thermo Electron's common stock can be purchased at the end of a
   12-month period at 95% of the fair market value at the beginning of the
   period, and the shares purchased are subject to a six-month resale
   restriction. Prior to November 1, 1995, the applicable shares of common
   stock could be purchased at 85% of the fair market value at the beginning
   of the period, and the shares purchased were subject to a one year resale
   restriction. Shares are purchased through payroll deductions of up to 10%
   of each participating employee's gross wages. During fiscal 1997, 1996,
   and 1995, the Company issued 4,622 shares, 18,012 shares, and 25,859
   shares, respectively, of its common stock under this program.

   Pro Forma Stock-based Compensation Expense
       In October 1995, the Financial Accounting Standards Board issued SFAS
   No. 123, "Accounting for Stock-based Compensation," which sets forth a
   fair-value based method of recognizing stock-based compensation expense.
   As permitted by SFAS No. 123, the Company has elected to continue to
   apply APB No. 25 to account for its stock-based compensation plans. Had
   compensation cost for awards in fiscal 1997 and 1996 under the Company's
   stock-based compensation plans been determined based on the fair value at
   the grant dates consistent with the method set forth under SFAS No. 123,
   the effect on the Company's net income and earnings per share would have
   been as follows:

   (In thousands except per share amounts)                  1997      1996
   -----------------------------------------------------------------------
   Net income:
     As reported                                          $2,104    $  885
     Pro forma                                             1,883       708

   Earnings per share:
     As reported                                             .17       .07
     Pro forma                                               .15       .06

                                       15PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements

                   Notes to Consolidated Financial Statements

    4.  Employee Benefit Plans (continued)

        Because the method prescribed by SFAS No. 123 has not been applied to
    options granted prior to October 1, 1995, the resulting pro forma
    compensation expense may not be representative of the amount to be
    expected in future years. Compensation expense for options granted is
    reflected over the vesting period; therefore, future pro forma
    compensation expense may be greater as additional options are granted.
        The fair value of each option grant was estimated on the grant date
    using the Black-Scholes option-pricing model with the following
    weighted-average assumptions:

                                                           1997        1996
    -----------------------------------------------------------------------
    Volatility                                              43%         43%
    Risk-free interest rate                                6.0%        5.7%
    Expected life of options                          4.2 years   3.3 years

       The Black-Scholes option-pricing model was developed for use in
    estimating the fair value of traded options which have no vesting
    restrictions and are fully transferable. In addition, option-pricing
    models require the input of highly subjective assumptions including
    expected stock price volatility. Because the Company's employee stock
    options have characteristics significantly different from those of traded
    options, and because changes in the subjective input assumptions can
    materially affect the fair value estimate, in management's opinion, the
    existing models do not necessarily provide a reliable single measure of
    the fair value of its employee stock options.

    401(k) Savings Plan and Employee Stock Ownership Plan
        The majority of the Company's employees are eligible to participate
    in Thermo Electron's 401(k) savings plan and, prior to January 1, 1995,
    certain employees were eligible to participate in Thermo Electron's
    employee stock ownership plan (ESOP). Contributions to the 401(k) savings
    plan are made by both the employee and the Company. Company contributions
    are based upon the level of employee contributions. For these plans, the
    Company contributed and charged to expense $666,000, $674,000, and
    $653,000 in fiscal 1997, 1996, and 1995, respectively. Effective December
    31, 1994, the ESOP was split into two plans: ESOP I, covering employees
    of Thermo Electron's corporate office and its wholly owned subsidiaries,
    and ESOP II, covering employees of certain of Thermo Electron's
    majority-owned subsidiaries, including the Company. Also, effective
    December 31, 1994, the ESOP II plan was terminated, and as a result, the
    Company's employees are no longer eligible to participate in an ESOP.
                                       16PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements

                   Notes to Consolidated Financial Statements

    5.  Income Taxes

        The components of the provision for income taxes are as follows:

    (In thousands)                              1997        1996       1995
    -----------------------------------------------------------------------
    Currently payable:
      Federal                                 $2,067      $  599     $2,150
      State                                      454         132        525
                                              ------      ------     ------
                                               2,521         731      2,675
                                              ------      ------     ------

    Deferred (prepaid), net:
      Federal                                   (316)        305         54
      State                                      (87)         67          8
                                              ------      ------     ------
                                                (403)        372         62
                                              ------      ------     ------
                                              $2,118      $1,103     $2,737
                                              ======      ======     ======

        The Company receives a tax deduction upon exercise of nonqualified
    stock options by employees for the difference between the exercise price
    and the market price of the Company's common stock on the date of
    exercise. The provision for income taxes that is currently payable does
    not reflect $764,000, $492,000, and $153,000 of such benefits that have
    been allocated to capital in excess of par value in fiscal 1997, 1996,
    and 1995, respectively.
        The provision for income taxes in the accompanying statement of
    income differs from the provision calculated by applying the statutory
    federal income tax rate of 34% to income before provision for income
    taxes and minority interest due to the following:

    (In thousands)                               1997       1996       1995
    -----------------------------------------------------------------------
    Provision for income taxes at
      statutory rate                          $1,542      $  782     $2,416
    Increases (decreases) resulting from:
      State income taxes, net of federal
        benefit                                  242         131        353
      Losses not benefited                       258         214          -
      Income from tax-preferred securities         -         (46)      (122)
      Nondeductible expenses                     176         100         83
      Other                                     (100)        (78)         7
                                              ------      ------     ------
                                              $2,118      $1,103     $2,737
                                              ======      ======     ======

                                       17PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements

                   Notes to Consolidated Financial Statements

    5.  Income Taxes (continued)

        Prepaid income taxes in the accompanying balance sheet consists of
    the following:

    (In thousands)                                1997       1996
    -------------------------------------------------------------
    Prepaid income taxes:
      Inventory basis difference                $  807     $  730
      Accrued warranty costs                     1,340        906
      Accrued compensation                         650        596
      Reserves and accruals                        164        459
      Allowance for doubtful accounts              295        230
      Federal and state loss carryforwards         444        214
                                                ------     ------
                                                 3,700      3,135
      Less: Valuation allowance                   (582)      (214)
                                                ------     ------
                                                $3,118     $2,921
                                                ======     ======

        The valuation allowance relates to the uncertainty surrounding the
    realization of net operating loss carryforwards and other tax assets of
    the Company's ThermoLyte subsidiary. As of September 27, 1997, ThermoLyte
    had net operating loss carryforwards of approximately $1.1 million that
    begin to expire in fiscal 2011.

    6.  Related-party Transactions

    Corporate Services Agreement
        The Company and Thermo Electron have a corporate services agreement
    under which Thermo Electron's corporate staff provides certain
    administrative services, including certain legal advice and services,
    risk management, certain employee benefit administration, tax advice and
    preparation of tax returns, centralized cash management, and certain
    financial and other services, for which the Company pays Thermo Electron
    annually an amount equal to 1.0% of the Company's revenues. The Company
    paid an annual fee equal to 1.20% and 1.25% of the Company's revenues in
    calendar year 1995 and 1994, respectively. The annual fee is reviewed and
    adjusted annually by mutual agreement of the parties. For these services,
    the Company was charged $1,210,000, $1,262,000, and $1,250,000 in fiscal
    1997, 1996, and 1995, respectively. The corporate services agreement is
    renewed annually but can be terminated upon 30 days' prior notice by the
    Company or upon the Company's withdrawal from the Thermo Electron
    Corporate Charter (the Thermo Electron Corporate Charter defines the
    relationships among Thermo Electron and its majority-owned subsidiaries).
    Management believes that the service fee charged by Thermo Electron is
    reasonable and that such fees are representative of the expenses the
    Company would have incurred on a stand-alone basis. For additional items
    such as employee benefit plans, insurance coverage, and other
    identifiable costs, Thermo Electron charges the Company based upon costs
    attributable to the Company.

                                       18PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements

                   Notes to Consolidated Financial Statements

    6.  Related-party Transactions (continued)

    Related Party Revenues
         The Company sells products in the ordinary course of business to a
    wholly owned subsidiary of Thermo Electron. Sales of such products
    totaled $423,000, $104,000, and $987,000 in fiscal 1997, 1996, and 1995,
    respectively.

    Other Related-party Services
        The Company provides contract administration, data processing, and
    other services to certain companies affiliated with Thermo Electron. The
    Company is reimbursed for costs incurred based on actual usage. For these
    services, the Company was reimbursed $105,000, $167,000, and $209,000 in
    fiscal 1997, 1996, and 1995, respectively.

    Leases
        The Company leases an office and laboratory facility from Thermo
    Electron under an agreement expiring in 2002. The accompanying statement
    of income includes expenses from this operating lease of $170,000 in
    fiscal 1997, 1996, and 1995. The future minimum payments due under this
    operating lease as of September 27, 1997, are $326,000 per year through
    fiscal 2002. Total future minimum lease payments are $1,630,000.

    Repurchase Agreement
        The Company invests excess cash in a repurchase agreement with Thermo
    Electron as discussed in Note 1.

    Other Related-party Transactions
        In May 1997, the Company sold 420,000 shares of common stock of The
    Randers Group Incorporated to Thermo TerraTech Inc., a majority-owned
    subsidiary of Thermo Electron, for proceeds of $262,000, resulting in a
    gain of $53,000.
        In February 1996, the Company sold $365,000 principal amount of 6.5%
    subordinated convertible debentures to an unrelated party for net
    proceeds of $490,000, which resulted in a gain of $125,000. The
    debentures were issued by Thermo TerraTech Inc.
        In December 1995, the Company sold 10,969 shares of Thermo Electron
    common stock to an unrelated party for net proceeds of $362,000, which
    resulted in a gain of $344,000.
        In May 1995, the Company sold $920,000 principal amount of 6 1/2%
    subordinated convertible debentures to an unrelated party for net
    proceeds of $1,578,000, which resulted in a gain of $768,000. The
    debentures were issued by Thermedics Inc., a majority-owned subsidiary of
    Thermo Electron.

    7.  Commitments 

        In addition to the lease described in Note 6, the Company leases
    equipment and manufacturing, engine testing, service, and office
    facilities under various operating leases. The accompanying statement of
    income includes expenses from operating leases of $1,219,000, $1,166,000,
    and $1,044,000 in fiscal 1997, 1996, and 1995, respectively. Future 

                                       19PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements

                   Notes to Consolidated Financial Statements

    7.  Commitments (continued)

    minimum payments due under noncancellable operating leases as of
    September 27, 1997, are $970,000 in fiscal 1998; $952,000 in fiscal 1999;
    $916,000 in fiscal 2000; $849,000 in fiscal 2001; $839,000 in fiscal
    2002; and $2,502,000 in fiscal 2003 and thereafter. Total future minimum
    lease payments are $7,028,000.

    8.  Common Stock

        At September 27, 1997, the Company had reserved 1,487,860 unissued
    shares of its common stock for possible issuance under stock-based
    compensation plans.

    9.  Long-term Obligations

        At September 27, 1997, the Company's long-term obligations included
    a $222,000 mortgage loan, which is secured by property at the Company's
    FES division with a net book value of $4,709,000. The loan is payable in
    equal monthly installments with the final payment in fiscal 2001. The
    interest rate on this loan is 75% of the prime rate, which was 6.38% and
    6.19% at fiscal year-end 1997 and 1996, respectively.
        The annual requirements for long-term obligations as of September
    27, 1997, are $58,000 in fiscal 1998; $61,000 in fiscal 1999 and 2000;
    and $130,000 in fiscal 2001. Total requirements of long-term obligations
    are $310,000.

    10. Fair Value of Financial Instruments

        The Company's financial instruments consist primarily of cash and
    cash equivalents, available-for-sale investments, accounts receivable,
    accounts payable, due to parent company and affiliated companies, and
    long-term obligations. The carrying amounts of these financial
    instruments, with the exception of available-for-sale investments and
    long-term obligations, approximate fair value due to their short-term
    nature.
        Available-for-sale investments are carried at fair value in the
    accompanying balance sheet. The fair values were determined based on
    quoted market prices. See Note 2 for fair value information pertaining to
    these financial instruments.
        The carrying amounts of the Company's long-term obligations, which
    approximate fair value, were $252,000 and $305,000 at September 27, 1997,
    and September 28, 1996, respectively. The fair value of the Company's
    long-term obligations was determined based on borrowing rates available
    to the Company at the respective year-ends.

    11. Segment Data, Export Sales, and Concentrations of Risk

        The Company's business is divided into three segments. The
    Industrial Refrigeration Systems segment develops, manufactures, markets,
    and services industrial refrigeration and commercial cooling equipment,
    and rents commercial cooling and industrial refrigeration equipment. The
    Engines segment develops, manufactures, markets, and services gasoline 
                                       20PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements

                   Notes to Consolidated Financial Statements

    11. Segment Data, Export Sales, and Concentrations of Risk (continued)

    engines for recreational boats, propane and gasoline engines for lift
    trucks, and natural gas engines for vehicular, cooling, pumping,
    refrigeration, and other industrial applications. The Cooling and
    Cogeneration Systems segment develops, manufactures, markets, and
    services natural gas cooling and cogeneration systems, conducts research
    and development on applications of thermal energy, and is developing and
    commercializing a family of gas-powered lighting products.
        Export revenues to Asia accounted for 13%, 7%, and 10% of the
    Company's total revenues in fiscal 1997, 1996, and 1995, respectively.
    Other export revenues accounted for 7%, 6%, and 5% of the Company's total
    revenues in fiscal 1997, 1996, and 1995, respectively. In general, export
    sales are denominated in U.S. dollars.
        The Company purchases engine blocks for its marine and certain other
    engines, as well as engines for certain of its smaller cooling and
    cogeneration products, from one supplier. While the Company believes that
    it has adequate supplies of materials to meet its needs for a three-month
    period, no assurance can be given that the Company will not experience
    shortages of engine blocks in the future that could delay shipments of
    the Company's marine and certain other engines and its cooling and
    cogeneration products.
        Information for fiscal 1997, 1996, and 1995, with respect to the
    Company's business segments, is shown in the following table.

    (In thousands)                              1997        1996       1995
    -----------------------------------------------------------------------
    Revenues:
      Industrial Refrigeration Systems      $ 74,843    $ 73,312   $ 64,708
      Engines                                 30,324      28,857     24,848
      Cooling and Cogeneration Systems        17,819      20,477     15,873
      Intersegment sales elimination (a)      (1,940)     (1,910)    (2,174)
                                            --------    --------   --------
                                            $121,046    $120,736    103,255
                                            ========    ========   ========
    Income before provision for income
     taxes and minority interest:
      Industrial Refrigeration Systems      $  5,331    $  4,403   $  6,689
      Engines                                    (23)     (1,584)      (120)
      Cooling and Cogeneration Systems          (647)        122        961
      Corporate (b)                           (1,991)     (2,537)    (3,049)
                                            --------    --------   --------
      Total operating income                   2,670         404      4,481
      Interest and other income, net           1,864       1,896      2,626
                                            --------    --------   --------
                                            $  4,534    $  2,300   $  7,107
                                            ========    ========   ========
    Identifiable assets:
      Industrial Refrigeration Systems      $ 52,157    $ 52,707   $ 48,249
      Engines                                 16,528      13,917     17,193
      Cooling and Cogeneration Systems        22,178      22,953     23,549
      Corporate (c)                           17,129      21,134     19,426
                                            --------    --------   --------
                                            $107,992    $110,711   $108,417
                                            ========    ========   ========
                                       21PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements

                   Notes to Consolidated Financial Statements

    11. Segment Data, Export Sales, and Concentrations of Risk (continued)

    (In thousands)                              1997        1996       1995
    -----------------------------------------------------------------------
    Depreciation and amortization:
      Industrial Refrigeration Systems      $  2,606    $  2,501   $  1,551
      Engines                                    319         295        329
      Cooling and Cogeneration Systems           198         214        192
      Corporate                                   33          23         10
                                            --------    --------   --------
                                            $  3,156    $  3,033   $  2,082
                                            ========    ========   ========
    Capital expenditures:
      Industrial Refrigeration Systems      $  4,558    $  6,959   $  5,410
      Engines                                    653         329        344
      Cooling and Cogeneration Systems           382         240        150
      Corporate                                   29          34         62
                                            --------    --------   --------
                                            $  5,622    $  7,562   $  5,966
                                            ========    ========   ========

    (a) Intersegment sales are accounted for at prices that are
        representative of transactions with unaffiliated parties.
    (b) Primarily corporate general and administrative expenses.
    (c) Primarily cash, cash equivalents, and short-term investments.

    12. Unaudited Quarterly Information

    (In thousands except per share amounts)

    1997                           First     Second       Third      Fourth
    -----------------------------------------------------------------------
    Revenues                     $28,786    $28,825     $33,839     $29,596
    Gross profit                   4,253      5,494       5,945       6,200
    Net income                         4        375         716       1,009
    Earnings per share                 -        .03         .06         .08


    1996                           First     Second       Third      Fourth
    -----------------------------------------------------------------------
    Revenues                     $27,452    $29,756     $32,429     $31,099
    Gross profit                   4,787      4,661       5,323       5,586
    Net income (loss)                577         43         448        (183)
    Earnings (loss) per share        .05          -         .04        (.01)

                                       22PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements

                   Notes to Consolidated Financial Statements

    13. Subsequent Event

        On November 6, 1997, the Company declared unconditional in all
    respects its cash tender offer for the outstanding ordinary shares of
    Peek plc (Peek). The aggregate cost to acquire all outstanding Peek
    ordinary shares is estimated at approximately $163 million. The Company
    paid $2.3 million for shares acquired in fiscal 1997, which are
    classified as long-term available-for-sale investments in the
    accompanying fiscal 1997 balance sheet, and $147.9 million for shares
    acquired from September 28, 1997, through November 19, 1997. The Company
    owned 92% of the outstanding ordinary shares of Peek as of November 19,
    1997. The Company expects to make payments for the remaining ordinary
    shares outstanding during the first quarter of fiscal 1998.
        Pursuant to a promissory note, the Company borrowed $160.0 million
    from Thermo Electron to finance the acquisition of Peek. The promissory
    note is due November 1999, and bears interest at the 90-day Commercial
    Paper Composite Rate plus 25 basis points, set of the beginning of each
    quarter.
        Peek, a London Stock Exchange-listed company, develops, markets,
    installs, and services equipment to monitor and regulate traffic flow in
    cities and towns around the world. Peek offers a wide range of products,
    including hardware, such as loop detectors, traffic signals and
    controllers, and variable message signs, as well as traffic management
    systems that integrate these products to ease roadway congestion, improve
    safety, and collect data. Traffic management systems include variable
    message systems to advise drivers of accidents and other roadway hazards;
    traffic signal-timing systems that adapt continuously to changing
    conditions to minimize delays; video systems to give real-time analysis
    of traffic flows at intersections and on highways; and automatic
    toll-collection systems. The Company also offers high-resolution video
    equipment to aid police officers in capturing the information necessary
    to charge individuals with motor vehicle violations such as speeding and
    red light violations.

                                       23PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements

                    Report of Independent Public Accountants

    To the Shareholders and Board of Directors of Thermo Power Corporation:

        We have audited the accompanying consolidated balance sheet of Thermo
    Power Corporation (a Massachusetts corporation and 68%-owned subsidiary
    of Thermo Electron Corporation) and subsidiaries as of September 27,
    1997, and September 28, 1996, and the related consolidated statements of
    income, shareholders' investment, and cash flows for each of the three
    years in the period ended September 27, 1997. These consolidated
    financial statements are the responsibility of the Company's management.
    Our responsibility is to express an opinion on these consolidated
    financial statements based on our audits.
        We conducted our audits in accordance with generally accepted
    auditing standards. Those standards require that we plan and perform the
    audit to obtain reasonable assurance about whether the consolidated
    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. An audit also includes assessing
    the accounting principles used and significant estimates made by
    management, as well as evaluating the overall financial statement
    presentation. We believe that our audits provide a reasonable basis for
    our opinion.
        In our opinion, the consolidated financial statements referred to
    above present fairly, in all material respects, the financial position of
    Thermo Power Corporation and subsidiaries as of September 27, 1997, and
    September 28, 1996, and the results of their operations and their cash
    flows for each of the three years in the period ended September 27, 1997,
    in conformity with generally accepted accounting principles.



                                                 Arthur Andersen LLP



    Boston, Massachusetts
    October 31, 1997
    (except with respect to the
    matter discussed in Note 13
    as to which the date is
    November 19, 1997)

                                       24PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements

                     Management's Discussion and Analysis of
                  Financial Condition and Results of Operations

        Forward-looking statements, within the meaning of Section 21E of the
    Securities Exchange Act of 1934, are made throughout this Management's
    Discussion and Analysis of Financial Condition and Results of Operations.
    For this purpose, any statements contained herein that are not statements
    of historical fact may be deemed to be forward-looking statements.
    Without limiting the foregoing, the words "believes," "anticipates,"
    "plans," "expects," "seeks," "estimates," and similar expressions are
    intended to identify forward-looking statements. There are a number of
    important factors that could cause the results of the Company to differ
    materially from those indicated by such forward-looking statements,
    including those detailed immediately after this Management's Discussion
    and Analysis of Financial Condition and Results of Operation under the
    heading "Forward-looking Statements."

    Overview

        The Company's business is divided into three segments: Industrial
    Refrigeration Systems, Engines, and Cooling and Cogeneration Systems.
    Through the Company's FES division, the Industrial Refrigeration Systems
    segment supplies standard and custom-designed industrial refrigeration
    systems used primarily by the food-processing, petrochemical, and
    pharmaceutical industries. NuTemp, Inc. is a supplier of both
    remanufactured and new industrial refrigeration and commercial cooling
    equipment for sale or rental. NuTemp's industrial refrigeration equipment
    is used primarily in the food-processing, petrochemical, and
    pharmaceutical industries, and its commercial cooling equipment is used
    primarily in institutions and commercial buildings, as well as by service
    contractors. The demand for NuTemp's equipment is typically highest in
    the summer period and can be adversely affected by cool summer weather.
        Within the Engines segment, the Company's Crusader Engines division
    manufactures gasoline engines for recreational boats; propane and
    gasoline engines for lift trucks; and natural gas engines for vehicular,
    cooling, pumping, refrigeration, and other industrial applications.
        The Cooling and Cogeneration Systems segment consists of the
    Company's Tecogen division and the Company's ThermoLyte Corporation
    subsidiary. Tecogen designs, develops, markets, and services packaged
    cooling and cogeneration systems fueled principally by natural gas for
    sale to a wide range of commercial, institutional, industrial, and
    multi-unit residential users. Certain large-capacity cooling systems are
    manufactured for Tecogen by FES, and the cogeneration systems are
    manufactured for Tecogen by Crusader. Tecogen also conducts research and
    development of natural gas-engine technology and on applications of
    thermal energy. ThermoLyte is developing and commercializing various
    gas-powered lighting products.
        The Company acquired Peek plc (Peek), a London Stock Exchange-listed
    company, in November 1997. Peek develops, markets, installs, and services
    equipment to monitor and regulate traffic flow in cities and towns around
    the world. Peek offers a wide range of products, including hardware, such
    as loop detectors, traffic signals and controllers, and variable message
    signs, as well as traffic management systems that integrate these
    products to ease roadway congestion, improve safety, and collect data.

                                       25PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements

                     Management's Discussion and Analysis of
                  Financial Condition and Results of Operations

    Overview (continued)

    Traffic management systems include variable message systems to advise
    drivers of accidents and other roadway hazards; traffic signal-timing
    systems that adapt continuously to changing conditions to minimize
    delays; video systems to give real-time analysis of traffic flows at
    intersections and on highways; and automatic toll-collection systems. The
    Company also offers high-resolution video equipment to aid police
    officers in capturing the information necessary to charge individuals
    with motor vehicle violations such as speeding and red light violations.
    Peek had revenues in calendar 1996, excluding revenues from businesses
    sold in 1996 and 1997, of approximately 140 million pounds sterling, or
    approximately $219 million, and profit on ordinary activities after
    taxation, excluding profit from businesses sold in 1996 and 1997, of
    approximately 8 million pound sterling, or approximately $12 million.
    Peek's results of operations in calendar 1996 are unaudited and were
    accounted for in accordance with generally accepted accounting principles
    in the United Kingdom, which differ in certain respects from U.S.
    generally accepted accounting principles. The Company's results of
    operations and financial position for fiscal 1998 are expected to be
    affected significantly by the acquisition of Peek.
        The Company will be required to modify or replace portions of its
    software and the software of Peek so that it will function properly in
    the year 2000. Costs associated with purchasing software which is year
    2000 compliant, excluding costs associated with Peek, is included in
    estimated capital expenditures for fiscal 1998, disclosed in liquidity
    and capital resources. The cost of such new software will be capitalized
    and amortized over the software's useful life, and is not expected to
    have a material effect on the Company's results of operations. The
    Company is in the process of assessing the impact of the year 2000 issue
    on the operations of Peek, including the development of cost estimates
    for, and the extent of any programming changes that might be required to
    address, this issue. At this time, the Company is unable to determine the
    materiality of the year 2000 issue at Peek.

    Results of Operations

    Fiscal 1997 Compared With Fiscal 1996
        Total revenues were $121,046,000 in fiscal 1997 and $120,736,000 in
    fiscal 1996. Industrial Refrigeration Systems segment revenues increased
    to $74,843,000 in 1997 from $73,312,000 in 1996, primarily due to greater
    demand for custom-designed industrial refrigeration packages and product
    services at FES and, to a lesser extent, increased demand for rental
    equipment at NuTemp. These improvements were offset in part by a decrease
    in demand for standard industrial refrigeration packages at FES. Engines
    segment revenues increased to $30,324,000 in 1997 from $28,857,000 in
    1996, primarily due to an increase in lift-truck and TecoDrive(R) engine
    sales, offset in part by a decrease in sales of marine-engine related
    products. The increase in TecoDrive engine sales was principally due to a
    large nonrecurring order of $3.6 million from one customer. Cooling and

                                       26PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements

                     Management's Discussion and Analysis of
                  Financial Condition and Results of Operations

    Fiscal 1997 Compared With Fiscal 1996 (continued)
    Cogeneration Systems segment revenues were $17,819,000 in 1997, compared
    with $20,477,000 in 1996. Decreased revenues from sponsored research and
    development, gas-fueled cooling systems, and thermoelectric devices were
    offset in part by increased service revenues in 1997.
        The gross profit margin increased to 18% in fiscal 1997 from 17% in
    fiscal 1996. The gross profit margin for the Industrial Refrigeration
    Systems segment increased to 21% in 1997 from 20% in 1996, primarily due
    to higher margins at FES, resulting from lower warranty expenses,
    manufacturing efficiencies, and a decrease in the cost of a major
    component, and higher margins at NuTemp resulting from increased
    revenues. FES experienced a cost increase in the major component in
    fiscal 1996, for which the Company has begun receiving deliveries from an
    additional supplier at a lower cost. The gross profit margin for the
    Engines segment increased to 9% in 1997 from 5% in 1996, primarily due to
    a reduction in warranty expenses and lower overhead expenses resulting
    from the consolidation of two manufacturing facilities at Crusader and,
    to a lesser extent, startup costs in fiscal 1996 associated with the
    introduction of lift-truck engines. The gross profit margin for the
    Cooling and Cogeneration Systems segment decreased to 19% in 1997 from
    22% in 1996, primarily due to lower revenues and higher warranty expenses
    for gas-fueled cooling systems.
        Selling, general, and administrative expenses as a percentage of
    revenues remained unchanged at 14% in fiscal 1997 and 1996. Research and
    development expenses decreased to $2,296,000 in 1997 from $3,214,000 in
    1996, primarily due to lower spending on natural gas-engine products and
    gas-powered lighting products, primarily due to the completion of the
    current phase of development efforts for these products.
        Net gain on sale of investments in fiscal 1996 primarily represents a
    gain of $344,000 relating to the sale of the Company's remaining
    investment in Thermo Electron common stock and a gain of $125,000
    relating to the sale of the Company's remaining investment in
    subordinated convertible debentures issued by Thermo TerraTech Inc., a
    majority-owned subsidiary of Thermo Electron (Note 6). These gains were
    largely offset by a write-down of other investments.
        The effective tax rate was 47% in fiscal 1997 and 48% in fiscal 1996.
    The effective tax rate exceeded the statutory federal income tax rate
    primarily due to an increase in the valuation allowance for net operating
    loss carryforwards and other tax assets of the Company's ThermoLyte
    subsidiary, and the impact of state income taxes.

    Fiscal 1996 Compared With Fiscal 1995
        Total revenues increased 17% to $120,736,000 in fiscal 1996 from
    $103,255,000 in fiscal 1995. Industrial Refrigeration Systems segment
    revenues increased 13% to $73,312,000 in 1996 from $64,708,000 in 1995.
    Revenues at FES increased $7,717,000 in 1996, primarily due to greater
    demand for custom-designed industrial refrigeration packages, offset in
    part by lower sales of standard refrigeration systems. Revenues at NuTemp
    increased $887,000, primarily due to increased demand for remanufactured
    commercial cooling equipment, offset in part by lower demand for rental
    equipment resulting from generally milder summer temperatures in 1996

                                       27PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements

                     Management's Discussion and Analysis of
                  Financial Condition and Results of Operations

    Fiscal 1996 Compared With Fiscal 1995 (continued)
    compared with 1995. Engines segment revenues increased 16% to $28,857,000
    in 1996 from $24,848,000 in 1995, primarily due to the inclusion of
    revenues from lift-truck engines and increased demand for gasoline and
    TecoDrive natural gas engines, offset in part by a decrease of $2,877,000
    in revenues from marine-engine related products. Revenues from
    marine-engine related products declined primarily due to increased
    competition and a decrease in demand. Cooling and Cogeneration Systems
    segment revenues increased 29% to $20,477,000 in 1996 from $15,873,000 in
    1995, primarily due to an increase in revenues from gas-fueled cooling
    systems. Results for the Cooling and Cogeneration Systems segment in 1995
    include a fee of $1,187,000 received from one of the Company's
    distributors of packaged cogeneration systems to satisfy the financial
    obligations under a minimum purchase contract.
        The gross profit margin decreased to 17% in fiscal 1996 from 23% in
    fiscal 1995. The gross profit margin for the Industrial Refrigeration
    Systems segment decreased to 20% in 1996 from 25% in 1995, primarily due
    to lower margins at FES resulting from a change in sales mix. FES' sales
    to the petrochemical industry, which have inherently lower margins,
    increased in 1996 from 1995. To a lesser extent, the gross profit margin
    decreased due to an increase in depreciation expense at NuTemp resulting
    from an increase in rental assets, lower manufacturing efficiencies at
    FES, and higher warranty expenses at NuTemp in 1996 compared with 1995.
    The gross profit margin for the Engines segment decreased to 5% in 1996
    from 11% in 1995, primarily due to unusually high warranty expenses and,
    to a lesser extent, startup costs associated with the introduction of
    lift-truck engines. The gross profit margin for the Cooling and
    Cogeneration Systems segment decreased to 22% in 1996 from 29% in 1995,
    primarily due to the inclusion in 1995 of a fee received from one of the
    Company's distributors of packaged cogeneration systems discussed above.
        Selling, general, and administrative expenses as a percentage of
    revenues decreased to 14% in fiscal 1996 from 15% in fiscal 1995,
    primarily due to an increase in total revenues. Research and development
    expenses were $3,214,000 in fiscal 1996, compared with $3,065,000 in
    fiscal 1995. An increase in research and development expenses for
    gas-fueled lighting products was largely offset by a decrease in spending
    on research and development of natural gas-engine products.
        Interest income decreased to $1,714,000 in fiscal 1996 from
    $1,919,000 in fiscal 1995. Interest income earned on invested proceeds
    from ThermoLyte's March 1995 private placement was more than offset by a
    decrease in interest income earned on the Company's other investments due
    to lower average invested balances. The net gain on sale of investments
    in fiscal 1996 is described in the results of operations for fiscal 1997.
    The net gain on sale of investments in fiscal 1995 primarily represents a
    gain of $768,000 relating to the sale of the Company's investment in
    subordinated convertible debentures issued by Thermedics Inc., a
    majority-owned subsidiary of Thermo Electron (Note 6).
        The effective tax rate was 48% in fiscal 1996, compared with 39% in
    fiscal 1995. These rates exceeded the statutory federal income tax rate
    primarily due to the impact of state income taxes and, in fiscal 1996, a

                                       28PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements

                     Management's Discussion and Analysis of
                  Financial Condition and Results of Operations

    Fiscal 1996 Compared With Fiscal 1995 (continued)
    valuation allowance established for net operating loss carryforwards and
    other tax assets of the Company's ThermoLyte subsidiary.

    Liquidity and Capital Resources

        Working capital was $54,708,000 at September 27, 1997, compared with
    $57,719,000 at September 28, 1996. Included in working capital are cash,
    cash equivalents, and available-for-sale investments of $28,518,000 at
    September 27, 1997, compared with $35,880,000 at September 28, 1996. Of
    the $28,518,000 balance at September 27, 1997, $15,519,000 was held by
    ThermoLyte and the remainder was held by the Company and its wholly owned
    subsidiaries.
        During fiscal 1997, $2,208,000 of cash was provided by operating
    activities. Cash provided by the Company's operating results was reduced
    by a decrease in accounts payable of $4,383,000, an increase in accounts
    receivable of $3,210,000, and an increase in inventories of $1,247,000.
    These reductions in cash were offset in part by an increase in other
    current liabilities of $3,318,000 and a decrease in unbilled contract
    costs and fees of $2,254,000. The decrease in accounts payable was
    principally due to the timing of purchases of materials for large
    contracts. The increase in accounts receivable was primarily due to the
    timing of billings on percentage-of-completion contracts, reflected in
    the decrease in unbilled contract costs and fees, as well as increased
    shipments at the end of fiscal 1997. Other current liabilities increase
    principally due to an increase in accrued warranty costs and accrued
    income taxes. Inventories increased primarily due to expanded purchases
    of one component prior to its expected redesign by its manufacturer.
        During fiscal 1997, the Company's primary investing activities,
    excluding available-for-sale investment activity, included $5,622,000
    expended for purchases of rental assets and property, plant, and
    equipment and $1,522,000 in proceeds received from the sale of rental
    assets.
        The Company's financing activities used $3,595,000 of cash in fiscal
    1997, primarily due to $3,613,000 of cash expended for the purchase of
    Company common stock. The Company's Board of Directors has authorized the
    repurchase, through March 17, 1998, of up to $5,000,000 of its own
    securities. Any such purchases are funded from working capital. As of
    September 27, 1997, $1,387,000 remained under the Company's
    authorization.
        On November 6, 1997, the Company declared unconditional in all
    respects its cash tender offer for all outstanding ordinary shares of
    Peek. The aggregate cost to acquire all outstanding Peek ordinary shares
    is estimated at approximately $163 million. The Company paid $2.3 million
    for shares acquired in fiscal 1997 and $147.9 million for shares acquired
    from September 28, 1997, through November 19, 1997. The Company owned 92%
    of the outstanding ordinary shares of Peek as of November 19, 1997. The
    Company expects to make payments for the remaining ordinary shares
    outstanding during the first quarter of fiscal 1998. To finance the
    acquisition of Peek, the Company used internal funds and borrowed $160.0
    million from Thermo Electron. (Note 13)

                                       29PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements

                     Management's Discussion and Analysis of
                  Financial Condition and Results of Operations

    Liquidity and Capital Resources (continued)

        ThermoLyte's common stock is subject to redemption in December 1998
    or 1999, the redemption value of which is $18,450,000 (Note 1).
        In fiscal 1998, the Company expects to make capital expenditures for
    the purchase of rental assets and property, plant, and equipment of
    approximately $3.5 million, excluding capital expenditures of Peek which
    have yet to be determined by the Company. The Company believes its
    existing resources are sufficient to meet the capital requirements of its
    existing operations for the foreseeable future.

                                       30PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements

                           Forward-looking Statements

        In connection with the "safe harbor" provisions of the Private
    Securities Litigation Reform Act of 1995, the Company wishes to caution
    readers that the following important factors, among others, in some cases
    have affected, and in the future could affect, the Company's actual
    results and could cause its actual results in fiscal 1998 and beyond to
    differ materially from those expressed in any forward-looking statements
    made by, or on behalf of, the Company.

        Ability to Manage Change. The Company has recently experienced
    significant growth in the number of its employees, the demands on its
    operating and financial systems, and the geographic area of its
    operations. In November 1997, the Company acquired Peek plc (Peek), a
    public company in the United Kingdom, which has more than 1,200 employees
    located throughout Europe, Asia, and the United States, and had revenues
    in calendar 1996, excluding revenues of businesses sold in 1996 and 1997,
    of approximately 140 million pounds sterling, or approximately
    $219 million. This acquisition has resulted in new and increased
    responsibilities for the Company's administrative, operational,
    development, and financial personnel. In order to manage the Company's
    changing business, Peek's management and other employees must be
    assimilated into the Company's existing operations. There can be no
    assurance that the Company will be successful in retaining Peek's key
    employees and integrating them into the Company. The Company's success
    depends to a significant extent on the ability of its officers and key
    employees to operate effectively, both independently and as a group, and
    this ability may be impeded by the Company's rapid geographic expansion,
    potential disruption of the Company's business, and diversion of
    management's attention from other business concerns due to the Peek
    acquisition. In addition, there can be no assurance that the Company's
    systems, procedures, and controls will be adequate to support the
    significant expansion of the Company's operations. Any failure of the
    Company's management to manage change effectively could have a material
    adverse effect on the Company's business, financial condition, and
    results of operations. 

         Transition of Product Focus; Dependence on New Products. Since its
    inception, the Company has derived a substantial majority of its revenues
    from development and commercialization of power generation, refrigeration
    and cooling, engines, and related products. While these products are
    expected to continue to generate a significant amount of the Company's
    revenues for the foreseeable future, a substantial portion of the
    Company's revenues is now expected to be derived from the sale of
    electronics and associated hardware and software for the traffic
    industry, as well as from providing integration services for such
    electronics, hardware, and software, through the Company's recently
    acquired Peek subsidiary. A substantial portion of the Company's efforts,
    particularly its product development and marketing efforts, will be
    focused on the traffic market. The Company has had no prior experience in
    the traffic industry, and there can be no assurance that the Company will
    be able to successfully market and sell its newly acquired products and
    services. The Company's future success will depend significantly on its
    ability to develop, introduce, and integrate new products in the traffic 

                                       31PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements

                           Forward-looking Statements

    market and to continue to improve the performance, features, and
    reliability of Peek's current products. In order for Peek to achieve the
    level of profitability desired by the Company, the Company must
    successfully reduce Peek's expenses and improve market penetration. No
    assurance can be given that the Company will be successful in this
    regard. Any failure or inability of the Company's traffic products to
    perform substantially as anticipated or to achieve market acceptance
    would have a material adverse effect on the Company's business, financial
    condition, and results of operations.

         Risks Associated With International Operations. The Company intends
    to continue to expand its presence in international markets. In calendar
    1996, sales originating outside of the United States accounted for
    approximately 70% of the Company's recently acquired Peek subsidiary's
    revenues. International revenues are subject to a number of risks,
    including the following: fluctuations in exchange rates may affect
    product demand and adversely affect the profitability in U.S. dollars of
    products and services provided by the Company in foreign markets where
    payment for the Company's products and services is made in the local
    currency; agreements may be difficult to enforce and receivables
    difficult to collect through a foreign country's legal system; foreign
    customers may have longer payment cycles; foreign countries may impose
    additional withholding taxes or otherwise tax the Company's foreign
    income, impose tariffs, or adopt other restrictions on foreign trade;
    U.S. export licenses, if required, may be difficult to obtain; and the
    protection of intellectual property in foreign countries may be more
    difficult to enforce. There can be no assurance that any of these factors
    will not have a material adverse impact on the Company's business,
    financial condition, and results of operations.

         Reliance on Sales to Governmental Entities and Custom Contracts. The
    majority of Peek's sales are to governmental entities. Sales to
    governmental entities generally account for approximately 70% of Peek's
    revenues. The Company intends to focus its marketing of Peek's products
    and services on various governmental entities, including the U.S. Federal
    Highway Administration and comparable overseas agencies, regional
    counties of governments, state, and city traffic engineers, public
    transit authorities, public toll operators, law enforcement agencies, and
    tunnel and bridge authorities. Any decrease in purchases by these
    government bodies, including, without limitation, decreases as the result
    of a shift in priorities or overall budgeting limitations, could have an
    adverse effect on the Company's business, financial condition, and
    results of operations. In addition, most of Peek's contracts require the
    development and integration of customized products for a fixed fee.
    Contracts with governmental entities often permit the purchaser to cancel
    the agreement at any time. A significant overrun in Peek's expenses or
    cancellation of a significant contract could also result in a material
    adverse effect on the Company's business, financial condition, and
    results of operations.

                                       32PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements

                           Forward-looking Statements

        Competition. The Company encounters and expects to continue to
    encounter intense competition in the sale of its products. Although the
    Company has a proprietary position with respect to certain features of
    its products, the core technologies relating to its cooling and
    cogeneration products are mature and available to other companies. A
    number of companies, including companies with greater financial resources
    than those of the Company, offer products that compete with those offered
    by the Company, and there can be no assurance that other companies will
    not develop competitive products. In addition, electric utility pricing
    programs provide competition for the Company's cooling and cogeneration
    products.
         The market for traffic products and services is extremely
    competitive, and the Company expects that competition will continue to
    increase. The Company believes that the principal competitive factors in
    the traffic industry are price, functionality, reliability, service and
    support, and vendor and product reputation. The Company believes that its
    ability to compete successfully will depend on a number of factors both
    within and outside its control, including the pricing policies of its
    competitors and suppliers, the timing and quality of products introduced
    by the Company and others, the Company's ability to maintain a strong
    reputation in the traffic industry, and industry and general economic
    trends. In the traffic market, the Company currently competes with
    companies with greater financial resources and name recognition. The
    introduction by one of these competitors or a new competitor of a
    technologically superior product would have a material adverse effect on
    the Company's business, financial condition, and results of operations.
    There can be no assurance that the Company will be able to compete
    successfully with existing or new competitors.
        The Company's sale of industrial refrigeration systems is subject to
    intense competition. The industrial refrigeration market is mature,
    highly fragmented, and extremely dependent on close customer contacts.
        Competition in the compressed natural gas (CNG) vehicle and
    alternative-fuel engine markets is intense, and current and potential
    competitors in some or all segments of these markets include major
    automotive and natural gas companies and other companies that have
    greater financial resources than the Company. If the CNG vehicle business
    is to succeed, natural gas will need to be economically attractive
    compared with other alternative fuels, such as ethanol and methanol, and
    compared with improved gasoline formulas.
        Several companies offer marine engines that compete with those
    manufactured by Crusader. In addition, in recent years, certain large
    manufacturers of marine engines have vertically integrated their
    respective businesses by acquiring boat manufacturers that previously had
    been independent purchasers of engines from Crusader and other engine
    manufacturers. The number of potential buyers of Crusader's engines has
    decreased accordingly.

        Dependence of Markets on Government Regulation. The natural gas
    vehicle market is in its formative stage. The use of CNG engines in
    vehicles in the United States results primarily from governmental
    regulations mandating or encouraging the use of alternative fuels. The
    Company's CNG engine business is subject to the demand driven by various

                                       33PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements

                           Forward-looking Statements

    provisions of the 1990 Clean Air Act, as well as energy and environmental
    legislation that has been or may be enacted at state and local levels,
    which may be more stringent than federal laws. Natural gas is one of many
    alternative fuels that are addressed by the regulations. Others include
    methanol, ethanol, propane, hydrogen, electricity, and reformulated
    gasoline. There can be no assurance that natural gas will become a
    preferred alternative fuel for vehicles or that existing and future
    regulations or their enforcement will create material long-term demand
    for natural gas-powered vehicles.
        The Public Utility Regulatory Policies Act of 1978 (PURPA) and state
    laws and regulations implementing PURPA prohibit discrimination by
    electric utilities against cogeneration providers and require utilities
    to purchase co-generated electricity under certain conditions. Under
    these regulations, certain classes of facilities are exempt from the
    provisions of the Public Utility Holding Company Act, as well as many
    state laws and regulations regarding the setting of electricity rates and
    the financial and organizational regulation of electric utilities, and
    certain provisions of the Federal Power Act. Because the Company's
    current customers typically do not sell power to electric utilities, the
    Company does not rely to a significant extent on the provisions of PURPA
    that require utilities to purchase electricity from cogeneration
    providers. However, recent bills in Congress have proposed amendments to,
    and in some cases, the repeal of, certain of these laws or regulations.
    Any such amendment or repeal could have a material adverse effect on the
    Company's cogeneration business.
        The Intermodal Surface Transportation Efficiency Act (ISTEA) provides
    significant funding in the United States for intermodal surface
    transportation and advanced traffic management systems. The ISTEA has
    been extended until March 31, 1998. The failure to further extend or
    reauthorize ISTEA could have a material adverse effect on demand for the
    Company's traffic products in the United States. 

        Importance of Energy Prices. The cost savings that result from use of
    the Company's packaged cooling and cogeneration systems are directly
    related to the retail price of electricity. In the past several years,
    electricity prices have declined in many areas and rates remain
    relatively low on a historical basis in many regions. Given prevailing
    rate structures, demand for the Company's cooling and cogeneration
    systems has been less than anticipated. Although the Company believes
    that increases in demand, as well as potential increases in the cost of
    fuel, will lead to eventual increases in electricity rates, there can be
    no assurance that electricity prices will increase in the future. The
    economic benefits of the Company's natural gas engine products and
    packaged cooling and cogeneration systems are also affected by the cost
    of natural gas. A significant increase in the relative cost of natural
    gas could also have a material adverse effect on the sale of certain of
    the Company's products.

        Incentives for Cooling Systems. Purchasers of the Company's
    Tecochill(R) cooling systems often receive investment incentives for the
    purchase of Tecochill equipment from gas utilities or state or municipal
    governments. Although the Company has no reason to believe these

                                       34PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements

                           Forward-looking Statements

    incentives will be discontinued, elimination of these incentives could
    have a material adverse effect on sales of the Company's Tecochill
    systems.

        Risks Associated with Protection, Defense, and Use of Intellectual
    Property and Ownership of Technology Rights. The Company holds several
    patents relating to various aspects of its products. Proprietary rights
    relating to the Company's products are protected from unauthorized use by
    third parties only to the extent that they are covered by valid and
    enforceable patents or are maintained in confidence as trade secrets.
    There can be no assurance that patents will be issued from any pending or
    future patent applications owned by or licensed to the Company or that
    the claims allowed under any issued patents will be sufficiently broad to
    protect the Company's technology and, in the absence of patent
    protection, the Company may be vulnerable to competitors who attempt to
    copy the Company's products or gain access to its trade secrets and
    know-how. Proceedings initiated by the Company to protect its proprietary
    rights could result in substantial costs to the Company. There can be no
    assurance that competitors of the Company will not initiate litigation to
    challenge the validity of the Company's patents, or that they will not
    use their resources to design comparable products that do not infringe
    the Company's patents. There may also be pending or issued patents held
    by parties not affiliated with the Company that relate to the Company's
    products or technologies. The Company may need to acquire licenses to, or
    contest the validity of, any such patents. There can be no assurance that
    any license required under any such patent would be made available on
    acceptable terms or that the Company would prevail in any such contest.
    The Company could incur substantial costs in defending itself in suits
    brought against it or in suits in which the Company may assert its patent
    rights against others. If the outcome of any such litigation is
    unfavorable to the Company, the Company's business and results of
    operations could be materially adversely affected. In addition, the
    Company relies on trade secrets and proprietary know-how which it seeks
    to protect, in part, by confidentiality agreements with its
    collaborators, employees, and consultants. There can be no assurance that
    these agreements will not be breached, that the Company would have
    adequate remedies for any breach, or that the Company's trade secrets
    will not otherwise become known or be independently developed by
    competitors.
        In addition, a significant percentage of the Company's research and
    development is sponsored by third parties. Sponsors of these programs
    generally own the rights to technology that is developed as a result of
    the Company's work under the programs. These rights could limit the
    Company's ability to commercialize any technological breakthroughs made
    in the course of such work.

        No Assurance of Development and Commercialization of ThermoLyte
    Products; Uncertain Market Acceptance; Potential Product Liability. The
    Company's ThermoLyte subsidiary is developing and commercializing
    propane-fueled lighting products. Product development involves a high
    degree of risk, and returns to investors are dependent upon successful
    development and commercialization of the ThermoLyte products. There can

                                       35PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements

                           Forward-looking Statements

    be no assurance that the Company will be able to build the sales and
    marketing organization necessary for the successful commercialization of
    its products. In addition, as with any new technology, there is
    substantial risk that the marketplace may not accept or be receptive to
    the potential benefits of such technology. Market acceptance of the
    Company's proposed products will depend, in large part, upon the ability
    of the Company to demonstrate the safety of such products and their
    advantages over commercially available alternatives. There can be no
    assurance that the ThermoLyte products will be accepted by the public.
    Finally, because the ThermoLyte products will be powered by propane or a
    similar fuel that is combustible, the Company may be subject to potential
    product liability damages. The Company intends to design the ThermoLyte
    products to minimize these effects and believes that it will be able to
    obtain insurance against such liabilities on terms acceptable to the
    Company. However, no assurance can be given that damages from product
    liability will not have a material adverse impact on the results of
    operations, financial condition, or reputation of the Company.

                                       36PAGE
<PAGE>
   Thermo Power Corporation                          1997 Financial Statements

                         Selected Financial Information

   (In thousands except
   per share amounts)         1997       1996       1995(a)    1994(b)   1993
   --------------------------------------------------------------------------
   Statement of Income
     Data:
   Revenues               $121,046   $120,736   $103,255   $ 89,334  $ 75,429
   Net income                2,104        885      4,188      3,248     1,923
   Earnings per share          .17        .07        .34        .26       .18

   Balance Sheet Data:
   Working capital        $ 54,708   $ 57,719   $ 60,140   $ 43,143  $ 50,467
   Total assets            107,992    110,711    108,417     82,621    79,513
   Long-term
     obligations               252        305        364        344     3,395
   Common stock of
     subsidiary subject
     to redemption          18,059     17,747     17,435          -         -
   Shareholders'
     investment             66,668     67,368     65,825     60,475    56,599

   (a)Reflects the net proceeds from the private placement of shares of
      ThermoLyte Corporation in March 1995.
   (b)Reflects the May 1994 acquisition of NuTemp, Inc.

                                       37PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements

    Common Stock Market Information
        The following table shows the market range for the Company's common
    stock based on reported sales prices on the American Stock Exchange
    (symbol THP) for fiscal 1997 and 1996.

                                           1997                   1996
                                    -----------------     ------------------
    Quarter                            High       Low        High        Low
    ------------------------------------------------------------------------
    First                           $11 1/4   $ 7 3/4     $16 1/4   $12 1/4
    Second                            9 1/4     6 1/8      16 1/8    11 3/8
    Third                             7         5 1/2      17 3/8    11 3/4
    Fourth                            9 7/8     5 5/8      12 5/8     9 5/16

        As of October 31, 1997, the Company had 459 holders of record of its
    common stock. This does not include holdings in street or nominee names.
    The closing market price on the American Stock Exchange for the Company's
    common stock on October 31, 1997, was $8 3/8 per share.

    Shareholder Services
        Shareholders of Thermo Power Corporation who desire information about
    the Company are invited to contact John N. Hatsopoulos, Chief Financial
    Officer and Vice President, Thermo Power Corporation, 81 Wyman Street,
    P.O. Box 9046, Waltham, Massachusetts 02254-9046, (781) 622-1111. A
    mailing list is maintained to enable shareholders whose stock is held in
    street name, and other interested individuals, to receive quarterly
    reports, annual reports, and press releases as quickly as possible.
    Quarterly distribution of printed reports is limited to the second
    quarter report only. All quarterly reports and press releases are
    available through the Internet from Thermo Electron's home page
    (http://www.thermo.com/subsid/thp.html).

    Stock Transfer Agent
        American Stock Transfer & Trust Company is the stock transfer agent
    and maintains shareholder activity records. The agent will respond to
    questions on issuance of stock certificates, change of ownership, lost
    stock certificates, and change of address. For these and similar matters,
    please direct inquiries to:
     
        American Stock Transfer & Trust Company
        Shareholder Services Department
        40 Wall Street, 46th Floor
        New York, New York 10005
        (718) 921-8200

    Dividend Policy
        The Company has never paid cash dividends and does not expect to pay
    cash dividends in the foreseeable future because its policy has been to
    use earnings to finance expansion and growth. Payment of dividends will
    rest within the discretion of the Board of Directors and will depend
    upon, among other factors, the Company's earnings, capital requirements,
    and financial condition.
                                       38PAGE
<PAGE>
    Thermo Power Corporation                        1997 Financial Statements



    Form 10-K Report
        A copy of the Annual Report on Form 10-K for the fiscal year ended
    September 27, 1997, as filed with the Securities and Exchange Commission,
    may be obtained at no charge by writing to John N. Hatsopoulos, Chief
    Financial Officer and Vice President, Thermo Power Corporation, 81 Wyman
    Street, P.O. Box 9046, Waltham, Massachusetts 02254-9046.

    Annual Meeting
        The annual meeting of shareholders will be held on Friday, March 13,
    1998, at 10:00 a.m. at Thermo Electron Corporation, 81 Wyman Street,
    Waltham, Massachusetts.

                                       39



                                                                   Exhibit 21

                            THERMO POWER CORPORATION

                         Subsidiaries of the Registrant


        At November 19, 1997, Thermo Power Corporation owned the following
    companies:

                                                 State or       Registrant's
                                               Jurisdiction         % of
    Name                                     of Incorporation     Ownership
    ---------------------------------------  ----------------   ------------
    NuTemp, Inc.                                  Illinois            100%
    Peek plc                                      Scotland             92
      Peek Data Limited                      England and Wales        100
      Peek Group Services Limited            England and Wales        100
        Dubilier Warminster Limited          England and Wales        100
        International Resistance Co Limited  England and Wales        100
        Minicircuits Limited                 England and Wales        100
      Peek International Limited             England and Wales        100
        Peek Corporation                          Delaware            100
         Brandt Instruments,Inc.                  Delaware            100
         Peek Traffic USA, Inc.                   Florida             100
         Peek Measurement, Inc.                    Texas              100
         Peek Traffic, Inc.                       Delaware            100
         Polysonics International, Inc.     U.S. Virgin Islands       100
         Saratec Measurement, Inc.                Florida             100
         Signal Control Company                   Delaware            100
         Signal Maintenance, Inc.                 Delaware            100
         Transyt Corporation                      Florida             100
        Peek Traffic GmbH                         Germany             100
        Peek International B.V.               The Netherlands         100
         Peek Traffic AB                           Sweden             100
         Peek Trafik a-s                          Denmark             100
         Peek Trafikk AS                           Norway             100
         Peek Traffic OY                          Finland             100
         Peek Traffic B.V.                    The Netherlands         100
           Peek Fleetlogic B.V.               The Netherlands         100
           Peek Traffic Projects B.V.         The Netherlands         100
         Peek Limited                            Hong Kong             85
           Peek Trafikk Sendirian Berhad          Malaysia            100
           Peek Traffic (Thailand) Limited        Thailand            100
           Sichuan Modern Control System
             Engineering Company Limited           China              41*
PAGE
<PAGE>
                                                                   Exhibit 21

                            THERMO POWER CORPORATION

                   Subsidiaries of the Registrant (continued)


                                                 State or       Registrant's
                                               Jurisdiction         % of
    Name                                     of Incorporation     Ownership
    ---------------------------------------  ----------------   ------------
      Peek Investments Limited               England and Wales        100
        Dubilier America Inc.                     Delaware            100
        ACI Holdings, Inc.                        New York            100
      Peek Systems Limited                   England and Wales        100
        Sotwell Limited                      England and Wales        100
      Peek Technology Limited                England and Wales        100
        Peek Measurement Limited             England and Wales        100
         Peek Environmental Limited          England and Wales        100
         Sarasota Data Products Limited      England and Wales        100
         Sarasota Instrumentation Limited    England and Wales        100
        Peek Traffic Limited                 England and Wales        100
         GK Instruments Limited              England and Wales        100
         Sarasota Traffic Limited            England and Wales        100
         Streeteramet Limited                England and Wales        100
         Weighwrite Limited                  England and Wales        100
      Radley Services Limited                England and Wales        100
        Atest Electronics Limited            England and Wales        100
        Bartsign Limited                     England and Wales        100
        Greenpar Holdings Limited            England and Wales        100
        Helvetia Automatic Products Limited  England and Wales        100
        Peek Field Services Limited          England and Wales        100
        Peek Traffic Systems B.V.             The Netherlands         100
        Radley (1) Limited                   England and Wales        100
        Smartways Limited                    England and Wales        100
      Tollstar Limited                       England and Wales        100
    Takepine Limited                           United Kingdom         100
    Tecogen Securities Corporation              Massachusetts         100
    ThermoLyte Corporation                        Delaware             78


    * Participating interest





                                                                   Exhibit 23

                    Consent of Independent Public Accountants

        As independent public accountants, we hereby consent to the
    incorporation by reference of our reports dated October 31, 1997 (except
    with respect to the matter discussed in Note 13 as to which the date is
    November 19, 1997), included in or incorporated by reference into Thermo
    Power Corporation's Annual Report on Form 10-K for the year ended
    September 27, 1997, into the Company's previously filed Registration
    Statements as follows:  Registration Statement No. 33-19061 on Form S-8,
    Registration Statement No. 33-19062 on Form S-8, Registration Statement
    No. 33-25051 on Form S-8, Registration Statement No. 33-52814 on Form
    S-8, Registration Statement No. 33-87674 on Form S-8, Registration
    Statement No. 33-87686 on Form S-8, Registration Statement No. 33-87692
    on Form S-8, and Registration Statement No. 33-65273 on Form S-8.

                                                Arthur Andersen LLP

    Boston, Massachusetts
    December 4, 1997


<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THERMO POWER
CORPORATION'S ANNUAL REPORT ON FORM 10-K FOR THE YEAR ENDED SEPTEMBER 27, 1997
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          SEP-27-1997
<PERIOD-END>                               SEP-27-1997
<CASH>                                          19,347
<SECURITIES>                                     9,171
<RECEIVABLES>                                   21,769
<ALLOWANCES>                                       757
<INVENTORY>                                     19,884
<CURRENT-ASSETS>                                77,607
<PP&E>                                          19,637
<DEPRECIATION>                                   9,046
<TOTAL-ASSETS>                                 107,992
<CURRENT-LIABILITIES>                           22,899
<BONDS>                                            252
                                0
                                          0
<COMMON>                                         1,249
<OTHER-SE>                                      65,419
<TOTAL-LIABILITY-AND-EQUITY>                   107,992
<SALES>                                        121,046
<TOTAL-REVENUES>                               121,046
<CGS>                                           99,154
<TOTAL-COSTS>                                   99,154
<OTHER-EXPENSES>                                 2,296
<LOSS-PROVISION>                                   252
<INTEREST-EXPENSE>                                  18
<INCOME-PRETAX>                                  4,534
<INCOME-TAX>                                     2,118
<INCOME-CONTINUING>                              2,104
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     2,104
<EPS-PRIMARY>                                      .17
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