- Vintage Woodward hydraulic governors from patent number 1,106,434., circa 1912.
- Woodward hydraulic governors from patent number 1,106,434., circa 1912.
- Factory photo of a Woodward Water Wheel Governor and a Pelton Turbine.
- Diagramatic Section of Woodward Compensating type water wheel governor, circa 1908.
- WATER POWER ENGINEERING, CIRCA 1908.
- Vintage Woodward compensating type governor Size D and C Factory photo