- Woodward governor history.
- Wall of governors.
- The Prime Mover Control Collection in 2020.
- The latest vinatge governor contraption added to the oldwoodward.com prime mover control collection in August 2020.
- The first Bosch fuel injection pump added to the oldwoodward.com collection.
- Some Fairbanks-Morse Manufacturing Company history.
- Some Fairbanks-Morse Manufacturing Company history.
- Some Fairbanks-Morse Manufacturing Company history.
- Some Fairbanks-Morse Manufacturing Company history.
- Some Fairbanks-Morse Manufacturing Company history.
- Some Fairbanks, Morse and Company history, circa 1935.
- Some Fairbanks, Morse and Company history, circa 1935.
- Some Fairbanks, Morse and Company history, circa 1935.
- Pierce governors for diesel engines.
- Pierce governor theory of operation.