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

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✔ S - small (278 x 432)
✔ M - medium (382 x 594)
✔ L - large (487 x 756)
✔ XXL - huge (800 x 1242)
Original

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WGC 21.jpg

First printed manual in 1912 on the Woodward Oil-Pressure Governor.

Created on: Wednesday 28 June 2017
Posted on: Thursday 6 July 2017
Albums: HISTORICAL WATER POWER ENGINEERING.
Visits: 2743

DateTimeOriginal: 2017:06:28 19:36:54

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