Home / HISTORICAL WATER POWER ENGINEERING. / A few Water Wheel Governor and Turbine Water Wheel Manufacturers from the U.S.A. / Vintage Hydroelectric turbine Water Wheel and governor patents. /
Patent number 1,476,914. 2 Sheets-Sheet 1.
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- Created on
- Friday 12 April 2019
- Posted on
- Monday 8 July 2019
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