- An English Electric Company's diesel engine governor.
- An English Electric Company's diesel engine governor.
- An English Electric Company's diesel engine governor.
- An example of Elmer Woodward's first hydraulic governor application on a Fairbanks Morse diesel engine, circa 1938.
- An exploded-view drawing of the components.
- An FM H10-44 type swither locomotive with a Woodward type PG loco governor from the 1960 s
- An FM H10-44 type swither locomotive with a Woodward type PG loco governor from the 1960 s
- AN OBSOLETE WOODWARD COMPLETE LOCOMOTIVE CONTROL.
- An old elevator flyball governor.
- An original 1940's Woodward SG governor manual data sheet.
- An original steam engine still operating in a mill.
- An original Woodward diesel engine governor manual printed in 1938.
- An original Woodward Governor Company operating and maintenance manual from 1908.
- An SG governor history project.
- Another application of the Woodward type IC governor.