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