- Circa 1925.
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- 16
- Circa 1925.
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- Circa 1925.
- The Cornwell Ranch showing a Woodward vertical compansating type turbine water wheel governor.
- The Chandler- Evans Company.
- A vintage Woodward Governor Company advertisement.
- Elmer E. Woodward and his compensating type water wheel governor contraption.
- A photo of the Woodward vertical compensating type governor(2 sizes - D & C)
- The Woodward Vertical Compensating size D and C type turbine water wheel governor.
- 2 Woodward workers looking over a water wheel governor showing the Woodward compensating governor operating manual that is posted here.
- The Woodward PG 500 Governor Bulletin number 14025.
- The Cornwell Ranch showing an experimental hydraulic PG500 governor turbine water wheel governor.