- Is this Mill still standing? What happened to the Woodward governor?
- A run of the river small hydro-electric power plant from 1915.
- The Pelton Water Wheel Company history, circa 1919.
- A 1944 James Leffel Water Wheel blueprint drawing showing a Woodward size D governor.
- THE LOMBARD GOVERNOR COMPANY, CIRCA 1919.
- General Electric Company ad from 1919.
- Closeup showing the application of the Woodward vertical model compensating governor.
- A James Leffel Water Wheel blueprint number 43640, circa 1944.
- A James Leffel Water Wheel blueprint number 43640, circa 1944.
- A James Leffel Water Wheel blueprint number 43640, circa 1944.
- A James Leffel Water Wheel blueprint number 43640, circa 1944.
- A James Leffel Water Wheel blueprint number 43640, circa 1944.
- A Woodward factory photograph of the size D vertical compensating water wheel governor
- Mechanicville Hydroelectric Plant
- The latest vintage Woodward advertisement found and posted.