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THE ELEMENTS OF ELECTRICAL TRANSMISSION, CIRCA 1911.

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THE ELEMENTS OF ELECTRICAL TRANSMISSION, CIRCA 1911..jpg

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

STURGESS WATER WHEEL GOVERNOR, CIRCA 1911.

Created on: Monday 17 July 2017
Posted on: Tuesday 18 July 2017
Albums: HISTORICAL WATER POWER ENGINEERING. / Turbine Water Wheel and Governor History Gallery.
Visits: 2729

DateTimeOriginal: 2017:07:17 23:26:20

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