Home / HISTORICAL WATER POWER ENGINEERING. 44
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- Elmer Woodward's vertical compensating type water wheel governor patented in 1898.
- The full page advertisement from 1910.
- WOODWARD Water Wheel Governors, circa 1910.
- Success in a Unique Field.
- Woodward... State Of The Art Hydro Controls For 152 Years.
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- A LOMBARD HYDRAULIC TURBINE WATER WHEEL GOVERNOR APPLICATION FROM 1902.
- KERN RIVER HYDRO DEVELOPMENT.
- James Leffel & Company advertisement.
- LEFFEL HYDRAULIC TURBINES.
- THE JAMES LEFFEL AND COMPANY ADVERTISEMENT.
- LEFFEL QUALITY...
- Leffel Turbines...
- Leffel hydraulic turbines since 1862.
- Woodward and the James Leffel Company go way back in history.