- Type WO Governor 7
- Type WO Governor 8
- Elmer Woodward type IC diesel engine govenor patent.
- Hydro-Electric Power history, circa 1924.
- A Glocker-White hydraulic water wheel governor at the Niagara Fall power company.
- POWER AND THE ENGINEER, CIRCA 1908. PAGE 1.
- POWER AND THE ENGINEER, CIRCA 1908.
- CIRCA 1908.
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