- STATE OF THE ART ENERGY CONTROLS SINCE 1870.
- Woodward VR series Oil Pressure water wheel governor.
- Woodward VR series turbine water wheel governor.
- RELAY-VALVE OIL PRESSURE GOVERNOR MANUAL FROM 1912.
- Elmer E Woodward's new hydrauic governor for turbine water wheels.
- The new Woodward Hydraulic Governor, circa 1914.
- Woodward catalogue page from 1918.