- Elmer Woodward's fundamentals of speed governing.
- Page 2.
- Page 3.
- F4-xx
- F5-xx
- F6-xx
- F7-xx
- F8-xx
- Page 9.
- SPEED GOVERNOR PRINCIPLES.
- Page 2.
- Page 3.
- Woodward Governor Company's horizontal water wheel governor catalogue, circa 1902.
- Woodward Governor Company's horizontal water wheel governor
- Woodward Governor Company's compensating type water wheel governor data.