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 MAGAZINE. /
THE JAMES LEFFEL & COMPANY HISTORY PROJECT.
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- Created on
- Thursday 18 March 2021
- Posted on
- Friday 19 March 2021
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- DateTimeOriginal
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