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Elmer Woodward's first Hydraulic Turbine Water Wheel Governor.

20170706131711-3d9f17ae.jpg Data from Water Power Engineering, circa 1908.ThumbnailsElmer E. Woodward's state-of-the-art oil pressure relay valve water wheel governor patented in 1912.Data from Water Power Engineering, circa 1908.ThumbnailsElmer E. Woodward's state-of-the-art oil pressure relay valve water wheel governor patented in 1912.Data from Water Power Engineering, circa 1908.ThumbnailsElmer E. Woodward's state-of-the-art oil pressure relay valve water wheel governor patented in 1912.Data from Water Power Engineering, circa 1908.ThumbnailsElmer E. Woodward's state-of-the-art oil pressure relay valve water wheel governor patented in 1912.

The first generation Woodward hydraulic water wheel governor. The first governor unit of this type was manufactured and sold in 1912.

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