- PSG 6
- A 1940's Woodward PSG governor used on an aircraft engine.
- A Woodward SG type governor.
- A Woodward SG type governor.
- A Woodward SG type governor.
- A Woodward SG type governor.
- A Woodward SG type governor.
- A vintage General Electric Company's jet engine governor.
- A vintage General Electric Company's jet engine governor.
- A vintage General Electric Company's jet engine governor.
- A vintage General Electric Company's jet engine governor.
- A vintage General Electric Company jet engine governor.
- A vintage jet engine governor.
- A vintage jet engine governor.
- A vintage jet engine governor.