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Creation date / 2021 / September
- Circa 1925.
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- Circa 1925.
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- Circa 1925.
- A few obsolete jet engine fuel control components.
- Another view of the fuel control.
- A Woodward gas turbine fuel control manufactured for the Pratt & Whitney Aircraft Company.
- A Wisconsin history project.
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- The Art and Science of Hydroelectric Power.
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- A Hydro-Electric Power Plant History Project.