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- Woodward... At the Heart of the Energy Control System Since 1870.
- Woodward... At the Heart of the Energy Control System Since 1870.
- Woodward type F governor from patent number 679,353
- Woodward type D vertical compensating type governor Serial No 1281
- Woodward size D Water Wheel Governor Data.
- Woodward Governor Company's 1905 catalogue.
- WOODWARD GOVERNOR COMPANY SHOP ORDER 3186.
- Woodward Governor Company catalogue, circa 1902.