Home / HISTORICAL WATER POWER ENGINEERING. 44
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- Type of water wheel governor in the 1931 letter to Woodward.
- Letter about selling a governor in 1931.
- The value of a water wheel governor from 1931.
- SAMSON TURBINE CATALOGUE.
- Catalogue for the vertical samson turbine installation, circa 11-13-1944.
- SPECIFICATIONS FOR SIZE D WATER WHEEL GOVERNOR.
- Woodward catalogue M data.
- resolver
- SAMSON WATER TURBINE CATALOGUE.
- Vintage advertisement with both Woodward and James Leffel Companies.
- Woodward and the James Leffel Company go way back in history.
- Woodward and the James Leffel Company go way back in history.
- Leffel hydraulic turbines since 1862.
- Leffel Turbines...
- LEFFEL QUALITY...