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Sectional view of the oil pressure relay valve water wheel governor.

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Woodward catalog of their new oil-pressure governor for turbine water wheels, circa 1914.

Patent number 1,106,434, circa 1914.

Posted on: Sunday 6 August 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. / Woodward Governor Company history on Hydraulic type Water Wheel Governor Systems. / ELMER WOODWARD OIL PRESSURE SPEED REGULATOR PATENT NUMBER 1,106,434, CIRCA 1912.
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