- Woodward letter from September 17th, 1925.
- Woodward Governor Company shop order H 3881, circa 1925.
- Woodward... Designers and Builders of Controls for All Prime Movers.
- The Past is a Significant Part of the Futhure.
- WOODWARD GOVERNOR COMPANY CATALOGUE FROM THEIR FACTORY AT 658-660 RACE STREET CIRCA 1908 035
- WOODWARD GOVERNOR COMPANY HORTIZONTAL GOVERNOR MADE AT 658-660 RACE STREET CIRCA 1908 034 001
- PAGE 4.
- PAGE 3.
- PAGE 2.
- SEPTEMBER 23rd, 1925 letter page 1.
- Vintage Woodward compensating type D Water Wheel Governor.
- Factory photo of a Woodward compenensating type D water wheel governor.
- Woodward Governor Company catalog, circa 1908.
- Vintage Woodward compensating type governor factory photo.
- WOODWARD STANDARD TYPE GOVERNOR DATA FROM THEIR 1908 CATALOGUE.