- INDUSTRIAL AND PICTURESQUE ROCKFORD.
- Horizontal view.
- Horizontal view.
- Horizontal view.
- Documenting the history of the Art and Science of Governing.
- Documenting the evolution of the Woodward governor through patents.
- Documenting the evolution of the Woodward governor through patents.
- Documenting the evolution of the Woodward governor through patents.
- Documenting the evolution of the Woodward governor through patents.
- Documenting the evolution of the Woodward governor through patents.
- CONTROL FOR FLUID SERVO ACTUATED VALVE.
- COMPENSATED SPEED GOVERNOR PATENT NUMBERS 2,756,725 AND NUMBER 2,824,549.
- COMPENSATED SPEED GOVERNOR PATENT NUMBER 2,824,549. PAGE 1.
- COMPENSATED SPEED GOVERNOR PATENT NUMBER 2,824,549.
- COMPENSATED CONDITION CONTROL REGULATOR. PATENT NUMBER 2,824,549.