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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.ThumbnailsWOODWARD HYDRAULIC GATE SHAFT TYPE WATER WHEEL GOVERNOR HISTORY.The Woodward Oil- Pressure Governor... A Governor that Responds Quickly and Accurately to Load Variations.ThumbnailsWOODWARD HYDRAULIC GATE SHAFT TYPE WATER WHEEL GOVERNOR HISTORY.The Woodward Oil- Pressure Governor... A Governor that Responds Quickly and Accurately to Load Variations.ThumbnailsWOODWARD HYDRAULIC GATE SHAFT TYPE WATER WHEEL GOVERNOR HISTORY.The Woodward Oil- Pressure Governor... A Governor that Responds Quickly and Accurately to Load Variations.ThumbnailsWOODWARD HYDRAULIC GATE SHAFT TYPE WATER WHEEL GOVERNOR HISTORY.

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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