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- 5
- Postcard-Mill-Dam-Power-House-and-Bridge-in
- In the engine room of the tug boat John Purves showing the Marquette governor controls.
- BULLETIN 01012 ELEMENTRY PRINCIPLES 8-xx
- Hydro turbine theory
- Pabst Brewery
- WGC PMC CTL 9-1990.
- Woodward factory photo of a few aircraft fuel controls
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- 17
- A1907 State inspector report from the archives.
- 267
- 3
- Constant Speed Propeller Governors
- manual 14061B