- Vintage machine shop manufacturing history project.
- The Chief
- Prime Mover Control patent history project.
- Governor mechanism patent.
- Governor mechanism on display at the Smithsonian museum.
- Governor mechanism on display at the Smithsonian museum.
- Governor mechanism on display at the Smithsonian museum.
- Vintage machine shop manufacturing history project.
- Vintage machine shop manufacturing history project.
- Vintage machine shop manufacturing history project.
- WOODWARD AIRCRAFT GOVERNORS
- From the Oldwoodward.com archives.
- Woodward... At the Heart of the Energy Control System Since 1870.
- What is a governor mechanism?
- Woodwardology