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- Page 2. Dear Gang letter from May 1959.
- PRIME MOVER CONTROL MAY 1959.
- A Woodward Prime Mover Control History Project.
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- A typical small hydro-electric power house with a Woodward gateshaft type governor system.
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- Page 2. Dear Gang letter from March 1979.
- PRIME MOVER CONTROL MARCH 1979.
- A Woodward Prime Move Control Collection.
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