- Emerson Brantingham Company, circa 1919.
- AiRsearch Manufacturing Company history, circa 1968.
- Barber-Colman Company ad from 1922.
- AiResearch Manufacturing Company history.
- Barns Drills, circa 1922.
- AiResearch Manufacturing Company history.
- AiResearch Manufacturing Company history.
- AiResearch Manufacturing Company history.
- The first AiResearch Manufacturing Company's type of governor added to the collection.
- The first AiResearch Manufacturing Company's type of governor added to the collection.
- A Solar Company small gas turbine.
- A General Electric Company T700 series jet engine with Woodward controls.
- A General Electric Company T700 series jet engine with Woodward controls.
- A Boeing Company T50 series gas turbine with a Woodward control.
- A MECCA Company gas turbine engine.