Home / HISTORICAL WATER POWER ENGINEERING. 229
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- WORKS OF THE JAMES LEFFEL & COMPANY.
- WORKS OF THE JAMES LEFFEL & COMPANY.
- WEIR DAM MEASUREMENT.
- The Woodward"size B" horizontal compensating water wheel governor.
- The Woodward size F horizontal compensating water wheel governor, circa 1923.
- The Woodward horizontal compensating water wheel governor. 5
- The Woodward horizontal compensating water wheel governor. 3
- The Woodward horizontal compensating water wheel governor.
- The Woodward horizontal compensating water wheel governor patent.
- The Woodward horizontal compensating water wheel governor operating & maintenance manual.
- The new Woodward horizontal compensating water wheel governor.
- THE MECHANICAL NEWS
- THE JAMES LEFFEL WATER WHEELS, Standards, Specials, and Samsons.
- THE JAMES LEFFEL WATER WHEELS, Standards, Specials, and Samsons, circa 1895.
- THE James Leffel Standard Specials and Samson WATER WHEELS.