- An oil pressure(hydraulic) relay valve turbine water wheel governor system.
- United States Hydroelectric Power House Market Share for the Woodward Governor Company, circa 1991.
- Page 6.
- Elmer Woodward installing his patented compensating type turbine water wheel governor.
- The Woodward Governor Company manufactured their one-millionth governor in 1970.
- Woodward Governor Company's Gate Shaft type turbine water wheel governor.
- GEN2 044
- Page 14. WOODWARD MECHANICAL GOVERNOR APPLICATION,
- Kern Canyon Hydro-electric station history in the Southern Sierras
- The Woodward Governor Company's Hydro market share before they sold out to the General Electric Company.
- 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.
- A vintage Woodward hydraulic gateshaft type water wheel governor.
- New Hydro-electric power plant on the Kern River.