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- Wisconsin's Lost Towns. 4.
- The Woodward Governor Company's first type(1307 series) of jet engine governor.
- The Prairie du Sac Hydro-electric power plant history.
- The Barber-Colman Company now abandoned property.
- Model railroading is fun!
- Kern County Number 1 Hydro-electric Power Station History.
- How many patents are in this governor?
- DIESEL ENGINE CATALOG FOR 1958.
- A vintage machine shop manufacturing history project.
- A James Leffel Water Wheel blueprint number 43640, circa 1944.
- A Hamilton Standard series JT9D jet engine fuel control.
- A birdseye view of the Blackhawk Country Club in Shorewood Hills, Madison, Wisconsin, U.S.A.
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