- Elmer Woodward's vertical compensating type governor connected to a Victor turbine.
- Amos Walter Woodward's patent governor from 1870.
- WATER POWER ENGINEERING HISTORY
- GOVERNORS
- Vintage machine shop manufacturing history project.
- Woodward PM type engine governor application.
- Amos Woodward's first friction water wheel governor.
- Woodward PM type engine governor application history.
- Amos Walter Woodward's first governor model.
- WHY WOODWARD WINS...
- The Water Power Situation in Wisconsin.
- A schematic drawing of a Woodward compensating type water wheel governor.
- Woodward PM type engine governor application history.
- THE WATER WHEEL GOVERNOR
- Woodwardology on the world wide web.