- Woodward jet engine fuel control, patent number 3,426,777.
- Woodward Aircraft Controls... At the Heart of The System.
- Supplying the World with Energy Controls for the 21st. Century.
- Sheet 5.
- Sheet 4 of 5.
- Sheet 2 of 5.
- Sheet 1 of 5.
- Patent 3,187,505. Page 3 of 3.
- Patent 3,187,505. Page 2 of 3.
- Patent 3,187,505. Page 1 of 3. Filed patent in 1962.
- Page 2.
- Page 1.
- How a Woodward Company jet engine governor works...
- Elmer Woodward's hydraulic engine governor at the Smithsonian.
- Elmer Woodward's first aircraft engine governor at the Smithsonian.