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.
- Woodward and the James Leffel Company go way back in history.
- Leffel hydraulic turbines since 1862.
- Woodward and the James Leffel Company go way back in history.
- SAMSON WATER TURBINE CATALOGUE.
- James Leffel & Company advertisement.
- SAMSON TURBINE CATALOGUE.
- resolver
- Catalogue for the vertical samson turbine installation, circa 11-13-1944.
- THE JAMES LEFFEL AND COMPANY ADVERTISEMENT.
- LEFFEL HYDRAULIC TURBINES.
- SPECIFICATIONS FOR SIZE D WATER WHEEL GOVERNOR.
- Woodward catalogue M data.