- The new Woodward Hydraulic Governor, circa 1914.
- Elmer E Woodward's new hydrauic governor for turbine water wheels.
- Woodward catalogue page from 1918.
- Woodward VR series turbine water wheel governor.
- Woodward VR series Oil Pressure water wheel governor.
- STATE OF THE ART ENERGY CONTROLS SINCE 1870.
- WELLLAND 1
- WELLLAND 2
- WELLLAND 3
- WELLLAND 4
- WELLLAND 5
- WELLLAND 6
- WELLLAND 7
- WELLLAND 8
- WELLLAND 9