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- 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.
- The last generation schematic drawing of the Woodward Governor Company's Turbine Water Wheel Governor system(gate shaft type).
- A first generation (pre-1920) Woodward hydraulic turbine water wheel governor advertisement in Electrical World magazine.
- The Granite Creek Power Project Blueprint, circa 1927.
- The Granite Creek Power Project Blueprint Page 2.
- The Granite Creek Power Project letter, circa 1928. Page 2.
- The Granite Creek Power Project letter, circa 1928.
- Governor for the World Radio Missionary in Ecuador. Price quote.
- Governor for the World Radio Missionary in Ecuador, circa 1980.
- Kilbourn Dam in the Wisconsin Dells.
- The American Hurdy-Gurdy Water Wheel.
- SPEED REGULATION OF HIGH HEAD WATER WHEELS.
- POWER MAGAZINE HISTORY.
- An original picture of a Woodward VR(vertical relay) type hydraulic governor manufactured in 1916.