- Diesel engine governor patent number 2,039,507.
- Diesel engine governor patent number 2,039,507.
- Elmer Woodward's first diesel engine governor system.
- A page out of the 1987 Woodward Prime Mover Control publication
- What is a prime mover?
- Prime Mover Controls.
- The GM Company and Woodward make history.
- The world standard for diesel engine governors.
- Mr. Woodward was an obsessive tinkerer and inventor.
- A copy of the original oil painting of Amos Woodward for the history books.
- Woodward diesel engine governor patent.
- Elmer Woodward's first diesel engine governor patent.
- Show me the data!
- Woodward Company history with diesel engine governors.
- Woodward Governor Company's diesel engine governor locomotive history.