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Creation date / 2017 / Week 53
- A James Leffel Water Wheel blueprint number 43640, circa 1944.
- Woodward Governor Company's compensating size D water wheel governor application data.
- Closeup view of the turbine water wheel governor application.
- DSC03930
- A 1944 James Leffel Water Wheel blueprint drawing showing a Woodward size D governor.
- DSC03929
- A James Leffel Water Wheel blueprint number 43640, circa 1944.
- From the archives.