Home / HISTORICAL WATER POWER ENGINEERING. / A few Water Wheel Governor and Turbine Water Wheel Manufacturers from the U.S.A. / THE JAMES LEFFEL & COMPANY HISTORY PROJECT. / The Mechanical News published by the James Leffel & Company. /
A hydroelectric power plant equipment history project.
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Circa 1888.
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- Thursday 15 October 2020
- Posted on
- Thursday 15 October 2020
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