- A Woodward VR(vertical relay) type hydraulic governor from patent number 1,106,434, circa 1912.
- Elmer Woodward's new oil pressure relay valve water wheel governor from his 1912 patent.
- Quote from the Woodward Governor Company's catalogue M, circa 1930's.
- The Woodward Governor Company's Mill Street factory from 1910 to 1940.
- A vintage machine shop manufacturing history project.
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- George Westinghouse was born on October 6, 1847 and died on March 12, 1914.
- The death of George Westinghouse.
- A vintage machine shop manufacturing history project.
- Lombard governed from end to end.
- A vintage Hydro Power Industry advertisement project.
- A Holyoke Machine Company's Water Wheel Governor advertisement from 1914.