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Elmer E. Woodward's new hydraulic water wheel governor was manufactured in this factory until 1940..

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Photo sizes

✔ S - small (344 x 432)
✔ Original (450 x 565)

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Elmer E. Woodward's state-of-the-art oil pressure relay valve water wheel governor patented in 1912.

Bulletin Number G1.

Posted on: Wednesday 28 June 2017
Albums: HISTORICAL WATER POWER ENGINEERING. / A few Water Wheel Governor and Turbine Water Wheel Manufacturers from the U.S.A. / Woodward Oil Pressure Relay Valve Water Wheel Governor history.
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