- Wisconsin Hydro history. Page 2.
- Wisconsin Hydro history. Page 3.
- The Woodward Governor Company's Hydro Market before selling out to the General Electric Company.
- WGC PMC JANUARY 1989.
- The Granite Creek Power Project letter, circa 1928. Page 2.
- Governor for the World Radio Missionary in Ecuador. Price quote.
- The Granite Creek Power Project letter, circa 1928.
- The Granite Creek Power Project Blueprint Page 2.
- The Granite Creek Power Project Blueprint, circa 1927.
- The Woodward Governor Company's Hydro Market before selling out to the General Electric Company.
- Governor for the World Radio Missionary in Ecuador, circa 1980.
- The Woodward Governor Company's Hydro market share before they sold out to the General Electric Company.
- United States Hydroelectric Power House Market Share for the Woodward Governor Company, circa 1991.