- The Woodward Governor Company's collection of vintage governors.
- PATENT NUMBER 307,759.
- PATENT NUMBER 307,759.
- PATENT NUMBER 307,759.
- PATENT NUMBER 307,759.
- PATENT NUMBER 307,759.
- PATENT NUMBER 1,035,082.
- PATENT NUMBER 1,035,082.
- PATENT NUMBER 1,035,082.
- PATENT NUMBER 1,035,082.
- PATENT NUMBER 1,035,082.
- GOVERNOR CONTROL MECHANISM PATENT NUMBER 2,527,867.
- GOVERNOR CONTROL MECHANISM PATENT NUMBER 2,527,867.
- GOVERNOR CONTROL MECHANISM PATENT NUMBER 2,527,867.
- GOVERNOR CONTROL MECHANISM PATENT NUMBER 2,527,867.