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The Woodward Oil Pressure Governor... A Governor that Responds Quickly and Accurately to Load Variations.

1926 ads..jpg The Woodward Oil- Pressure Governor... A Governor that Responds Quickly and Accurately to Load Variations.ThumbnailsElmer Woodward's new hydraulic governor developed and patented in 1912. Patent number 1,106,434.The Woodward Oil- Pressure Governor... A Governor that Responds Quickly and Accurately to Load Variations.ThumbnailsElmer Woodward's new hydraulic governor developed and patented in 1912. Patent number 1,106,434.The Woodward Oil- Pressure Governor... A Governor that Responds Quickly and Accurately to Load Variations.ThumbnailsElmer Woodward's new hydraulic governor developed and patented in 1912. Patent number 1,106,434.The Woodward Oil- Pressure Governor... A Governor that Responds Quickly and Accurately to Load Variations.ThumbnailsElmer Woodward's new hydraulic governor developed and patented in 1912. Patent number 1,106,434.

Elmer Woodward patented this type of hydraulic governor in 1912 (patent number 1,106,434), the same year of this advertisement.

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