- Woodward Governor Company advertisement history.
- Woodward and Pointe Precision Company history.
- UG 8 ACTUATOR UNIT.
- UG 8 ACTUATOR UNIT.
- UG ACTUATOR UNIT.
- UG ACTUATOR UNIT.
- UG ACTUATOR UNIT.
- UG ACTUATOR UNIT.
- UG ACTUATOR UNIT.
- The upper housing now off the control.
- The brass flyweights.
- Taking off the top part of the governor.
- Patent number1,476,914. Page 1.
- Patent number 341,577. Sheet 3.
- Patent number 341,577. Sheet 2.