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Creation date / 2017 / July / 6
- Another vintage Elmer Woodward ad from 1905.
- Elmer E. Woodward's new water wheel governor from three patents.
- Elmer E. Woodward's state-of-the-art mechanical compensating type water wheel governor.
- Data from Water Power Engineering, circa 1908.
- Data from Water Power Engineering, circa 1908.
- Elmer Woodward's first Hydraulic Turbine Water Wheel Governor.
- Elmer E. Woodward's state-of-the-art oil pressure relay valve water wheel governor patented in 1912.
- Elmer E Woodward's new hydrauic governor for turbine water wheels.
- The new Woodward Hydraulic Governor, circa 1914.