- Elmer and George looking over several Hamilton Standard aircraft engine governor.
- Elmer Woodward's first aircraft engine governor patent.
- Elmer Woodward writes about his type A and type B aircraft engine governor. Page 2.
- Elmer and George looking over propeller engine governors ready for shipment.
- A Vintage Machine Shop Manufacturing History Project.
- Documenting the evolution of the Woodward governor.
- From the archives.
- A Vintage Machine Shop Manufacturing History Project.
- A Vintage Machine Shop Manufacturing History Project. The Woodward Governor Company's Rockford, Illinois Shop Floor.
- PRECISION MANUFACTURING IN IMMACULATE SURROUNDINGS THE WOODWARD WAY.
- Documenting history of Woodward Governor Company's control systems.
- The Woodward Governor Company's Machine Shop.