Home / Historical Hydroelectric Power Plant Equipment Engineering. / Historical Elmer Woodward Oil Pressure Water Wheel Governor information. /
The first Woodward oil pressure hydraulic water wheel governor from patent number 1,106,434.
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- Created on
- Friday 9 April 2021
- Posted on
- Friday 9 April 2021
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- 2021:04:09 16:07:43
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