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- Woodward digital electronic control history.
- img236
- A vintage hydraulic turbine generator system.
- As part of a general refurbishment scheme...
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- A Lombard Governor Company Turbine Control.
- A massive hydro-electric power house with the Lombard Governor Company's controls.
- AMERICAN MACHINIST, CIRCA 1906.
- Woodward locations from day's gone by.
- MODERN WATER WHEEL TURBINE PRACTICE.
- Bulletin 25031, circa 1980.
- AMERICAN MACHINIST PAGE 3.
- A Replogle Turbine Water Wheel Governor, circa 1906.
- GOVERNOR FLYBALL DATA.