- Woodward CSSA propeller governor manual 33194.
- JAMES LEFFEL LETTERHEAD, CIRCA 1944.
- Bulletin number 25004H.
- 1959 ISSUE.
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- Woodward Governor Company's shop order #1845, circa 1909.
- Oldwoodward.com.. helping to keep the history alive in the 21st Century!
- SG series governor bulletin 04001.
- Contact us with any questions at oldwoodward@gmail.com.
- Woodward's small propeller governor type PW-34 on display
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- A Lombard Oil Pressure Water Wheel Governor blueprint circa 1938.
- Woodward and Marquette governors in the Woodward Company's museum.
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- Another example of a blueprint of a mechanical water wheel governor Size D series 3, circa 1926.