- Just think of how many hours it took to draw this blueprint drawing back in 1944.
- An original 1915 Directions and operating booklet for the size D governor system.
- A vintage Lombard water wheel governor in a very old hydro plant.
- INTRODUCTORY ON WOODWARD GOVERNORS.
- The latest vintage Woodward advertisement found and posted.
- Mechanicville Hydroelectric Plant
- A Woodward factory photograph of the size D vertical compensating water wheel 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.
- Closeup showing the application of the Woodward vertical model compensating governor.
- General Electric Company ad from 1919.
- THE LOMBARD GOVERNOR COMPANY, CIRCA 1919.