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

                                     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.

                                        2PAGE

        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

        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

    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

        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

         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.

                                        7PAGE

    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

                                        8PAGE

    $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

                                        9PAGE

    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

    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

    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

    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

        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

    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

    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

                                     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

                                    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

                                     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

                                   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

                    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

  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

                                  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

                                  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

                                  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

                                  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.