- Elmer's diesel engine governor schematic drawing .
- Elmer E. Woodward diesel engine patent number 2,039,507, circa 1933.
- Elmer Woodward's first diesel engine governor, circa 1930's.
- A diesel engine equipped with a Woodward governor during WWII.
- History in the making!
- About 1931...
- WOODWARD DIESEL ENGINE GOVERNORS.