- Woodward Water Wheel Governor Schematic Drawing.
- List of water wheel governor parts.
- Elmer Woodward's operating manual for water wheel governors, circa 1911.
- Elmer E. Woodward's state-of-the-art mechanical compensating type water wheel governor.
- Elmer Woodward's first oil pressure water wheel governor operating manual, circa 1911.
- Woodward Gate Shaft Type Governors. Page 8.
- Woodward Gate Shaft Type Governors. Page 7.
- Woodward Gate Shaft Type Governors. Page 6.
- Woodward Gate Shaft Type Governors. Page 5.
- Woodward Gate Shaft Type Governors. Page 4.
- Woodward Gate Shaft Type Governors. Page 3.
- Woodward Gate Shaft Type Governors. Page 2.
- Woodward Gate Shaft Type Governors. Page 1.
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- Woodward Gate Shaft Type Governors. By Burt Bielfuss.