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 RELAY- VALVE OIL PRESSURE GOVERNOR CATALOG, CIRCA 1912.ThumbnailsReimar Horten and his German Aircraft.RELAY- VALVE OIL PRESSURE GOVERNOR CATALOG, CIRCA 1912.ThumbnailsReimar Horten and his German Aircraft.RELAY- VALVE OIL PRESSURE GOVERNOR CATALOG, CIRCA 1912.ThumbnailsReimar Horten and his German Aircraft.RELAY- VALVE OIL PRESSURE GOVERNOR CATALOG, CIRCA 1912.ThumbnailsReimar Horten and his German Aircraft.