Home / HISTORICAL WATER POWER ENGINEERING. / Turbine Water Wheel and Governor History Gallery. 96
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- LETTERHEAD 1919
- SCIENCE ABSTRACTS, CIRCA 1908.
- WATER WHEEL GOVERNOR HISTORY.
- WOODWARD HORIZONTAL TYPE WATER WHEEL GOVERNOR IN APPLETON WISCONSIN, INSTALLED IN 1909.
- WOODWARD HORIZONTAL WATER WHEEL GOVERNOR.
- The Woodward Governor Company museum collection.
- 1887 letter from Amos Woodward to the James Leffel Company.
- 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.
- THE JAMES LEFFEL & COMPANY PAMPHLET K.