- United States Hydroelectric Power House Market Share for the Woodward Governor Company, circa 1991.
- Page 6.
- GEN2 044
- Governor for the World Radio Missionary in Ecuador, circa 1980.
- The Granite Creek Power Project Blueprint, circa 1927.
- The Granite Creek Power Project Blueprint Page 2.
- The Granite Creek Power Project letter, circa 1928.
- The Granite Creek Power Project letter, circa 1928. Page 2.
- Governor for the World Radio Missionary in Ecuador. Price quote.
- GEN2 045
- Page 25.
- GEN2 032
- GEN2 048
- Page 31 showing Woodward hydraulic governor controls.
- Page 27.