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- The last generation(1995) schematic drawing of the Woodward Governor Company's Turbine Water Wheel Governor system.
- The last generation schematic drawing of the Woodward Governor Company's Turbine Water Wheel Governor system(gate shaft type).
- The Jordan Hydroelectric Power Plant Data, circa 1908.
- The inside of a compensating dashpot casting.
- The inside of a compensating dashpot casting.
- The hydro turbine generators inside the Mill City power house.
- The Hoover Dam location.
- The Historic Hoover Dam.
- The Granite Creek Power Project letter, circa 1928. Page 2.
- The Granite Creek Power Project letter, circa 1928.
- The Granite Creek Power Project Blueprint, circa 1927.
- The Granite Creek Power Project Blueprint Page 2.
- The first Woodward oil pressure hydraulic water wheel governor from patent number 1,106,434.
- THE ELECTRIC LIGHT SYSTEM AT APPLETON, WISCONSIN.
- The Corten steel water wheel on the old mill in Stevens Point Wisconsin