- A Woodward SG type governor drive shaft end.
- A vintage Woodward PSG type governor.
- A Woodward SG type governor.
- A Woodward SG type governor.
- A vintage Woodward PSG type governor.
- PSG 2
- PSG 3
- A Woodward SG type governor.
- A Woodward SG type governor.
- A vintage Woodward PSG type governor.
- A 1940's Woodward PSG governor used on an aircraft engine.
- PSG 4
- A vintage Woodward PSG type governor.
- A Woodward SG type governor.
- A Woodward SG type governor.