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- Woodward Water Wheel Governor Schematic Drawing.
- Schematic drawing for the Pratt & Whitney PW206 series gas turbine aircraft engine.
- Elmer E. Woodward's state-of-the-art mechanical compensating type water wheel governor.
- Governors that were in the Woodward Governor Company's collection back in the 1970's.
- Woodward Water Wheel Governor Schematic Drawing.
- List of water wheel governor parts.
- Woodward Water Wheel Governor Schematic Drawing.
- Vintage 1890 Woodward Water Wheel Governor advertisement.
- A Williams International FJ44 series jet engine controlled by a Woodward fuel control system.
- Elmer Woodward's Power Control booklet from 1911.
- Elmer Woodward's operating manual for water wheel governors, circa 1911.
- Woodward Manual # 33050.
- PW206 SERIES GAS TURBINE AIRCRAFT ENGINE.
- A page from the 1911 Woodward booklet.