Home / HISTORICAL WATER POWER ENGINEERING. 140
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- WOODWARD OIL PRESSURE WATER WHEEL GOVERNOR TABULATION CHART, CIRCA 1947.
- WOODWARD GOVERNOR TABULATION DATA.
- WOODWARD SIZE D COMPENSATING TYPE WATER WHEEL GOVERNOR DATA, CIRCA 1922.
- Patent number 1,106,434. Sheet 2 0f 2.
- Patent number 1,106,434, circa 1914.
- Patent page 1.
- Patent page 2.
- Patent page 3.
- Patent page 4.
- Patent page 5.
- THE JAMES LEFFEL COMPANY, CIRCA 1944.
- A vintage Water Wheel Manufacturing History Project.
- JAMES LEFFEL LETTERHEAD, CIRCA 1944.
- JAMES LEFFEL LETTERHEAD, CIRCA 1944.
- Woodward Governor Company's shop order #1845, circa 1909.