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- A first generation (pre-1920) Woodward hydraulic turbine water wheel governor advertisement in Electrical World magazine.
- Elmer Woodward installing his patented compensating type turbine water wheel governor.
- Governor for the World Radio Missionary in Ecuador, circa 1980.
- Governor for the World Radio Missionary in Ecuador. Price quote.
- Irl C. Martin's Notes On The Old Woodward Governor Company's Water Wheel Governor Numbering System.
- Irl C. Martin's Notes On The Old Woodward Governor Company's Water Wheel Governor Numbering System.
- STATE OF THE ART ENERGY CONTROLS SINCE 1870.
- The Granite Creek Power Project Blueprint Page 2.
- The Granite Creek Power Project Blueprint, circa 1927.
- The Granite Creek Power Project letter, circa 1928.
- The Granite Creek Power Project letter, circa 1928. Page 2.
- The last generation schematic drawing of the Woodward Governor Company's Turbine Water Wheel Governor system(gate shaft type).
- The last generation(1995) schematic drawing of the Woodward Governor Company's Turbine Water Wheel Governor system.
- The last generation(1995) schematic drawing of the Woodward Governor Company's Turbine Water Wheel Governor system.