- Kilbourn Dam in the Wisconsin Dells.
- SPEED REGULATION OF HIGH HEAD WATER WHEELS.
- ELMER WOODWARD'S FIRST HYDRAULIC TURBINE WATER WHEEL GOVERNOR PATENT.
- Woodward Oil Pressure Relay Valve Governor Manual.
- Woodward Oil Pressure Relay Valve Governor Manual, circa 1912.
- 7
- 24
- 14
- 13
- SPEED REGULATION OF HIGH HEAD WATER WHEELS.
- 6
- 10
- 3
- 2
- 12