- THE SPEED REGULATION OF WATER TURBINES.
- GENERAL ELECTRIC COMPANY ADVERTISEMENT.
- Woodward digital electronic control history.
- img236
- A vintage hydraulic turbine generator system.
- Page 2.
- As part of a general refurbishment scheme...
- Edward P. Allis history, circa 1893.
- Page 10.
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- 2
- Page 3.
- Page 4.
- Page 7.
- A Lombard Governor Company Turbine Control.