- class 101 4-xx
- class 101 5-xx
- class 101 6-xx
- class 101 7-xx
- class 101 8-xx
- class 101 9-xx
- Elmer E. Woodward
- Midway Village Museum display of Woodward governors.
- A Woodward VR(vertical relay) series hydraulic water wheel governor manufactured in 1917.
- The first type of a Woodward oil pressure relay valve governor was the VR series
- Woodward type VR Governor name plate.
- Close up of the flyball cover on the Woodward governor.
- Hydro turbine theory
- WOODWARD GOVERNOR COMPANY SPEED CONTROL OF A PRIME MOVER CIRCA 1956-xx
- PRIME MOVER CONTROL HISTORY SAVED.