Home / HISTORICAL WATER POWER ENGINEERING. 1511
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- WOODWARD TYPE LHR 30,000 FOOT POUND RELAY VALVE OIL PRESSURE GOVERNOR.
- WOODWARD TYPE HR 45,000 FOOT POUND RELAY VALVE OIL PRESSURE GOVERNOR.
- Woodward Governor Company upgraded gate shaft type hydro governor system.
- Woodward and Leffel Company history.
- Woodward and Leffel Company history.
- Woodward and Leffel Company history.
- WISCONSIN RIVER OF HISTORY MAP.