Welcome to the Woodward Governor Company unofficial History Site

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Relay valve oil pressure water wheel governor patent 1,106,434.

1106434 3.jpg Elmer Woodward hydraulic(oil pressure) turbine water wheel governor patent.ThumbnailsElmer E. Woodward's first oil pressure(hydraulic) water wheel governor.Elmer Woodward hydraulic(oil pressure) turbine water wheel governor patent.ThumbnailsElmer E. Woodward's first oil pressure(hydraulic) water wheel governor.Elmer Woodward hydraulic(oil pressure) turbine water wheel governor patent.ThumbnailsElmer E. Woodward's first oil pressure(hydraulic) water wheel governor.Elmer Woodward hydraulic(oil pressure) turbine water wheel governor patent.ThumbnailsElmer E. Woodward's first oil pressure(hydraulic) water wheel governor.