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- Drawing of the size C governor.
- Page 31 showing Woodward hydraulic governor controls.
- GEN2 048
- GEN2 032
- Page 25.
- Elmer Woodward's new hydraulic governor developed and patented in 1912. Patent number 1,106,434.
- Inside the hydro-electric power house.
- GEN2 045
- How does a Woodward Oil Pressure water wheel governor work?
- SPEED REGULATION OF HIGH HEAD WATER WHEELS.
- MECHANICAL DESIGN OF HYDRO ELECTRIC POWER PLANTS.
- The Mill City hydro dam.
- The American Hurdy-Gurdy Water Wheel.
- Inside the hydro-electric power house.
- The Mill City hydro-electric power house.