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An oil pressure(hydraulic) relay valve turbine water wheel governor system.

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74 GOVERNORS.jpg

United States Hydroelectric Power House Market Share for the Woodward Governor Company, circa 1991.

A Woodward type LR Oil Pressure governor from 1917. Note the off set control standard made before 1920

Created on: Sunday 13 January 2019
Posted on: Saturday 29 February 2020
Albums: Historical Hydroelectric Power Plant Equipment Engineering.
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