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The Woodward Governor Factory on Mill Street in the Water Power District in Rockford, Illinois(1910-1941).

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✔ 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.

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

Posted on: Thursday 6 July 2017
Albums: HISTORICAL WATER POWER ENGINEERING.
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