- Woodward Governor Company letter to Mcfarlane-Eggers MFG Company, circa 7-14-1925.
- WOODWARD GOVERNOR COMPANY HORTIZONTAL GOVERNOR MADE AT 658-660 RACE STREET CIRCA 1908 034 001
- WOODWARD GOVERNOR COMPANY CATALOGUE FROM THEIR FACTORY AT 658-660 RACE STREET, CIRCA 1908.
- WOODWARD GOVERNOR COMPANY CATALOGUE FROM THEIR FACTORY AT 658-660 RACE STREET CIRCA 1908 035
- WOODWARD GOVERNOR COMPANY CATALOGUE FROM 1908.
- Woodward Governor Company catalog, circa 1916.
- Woodward Governor Company catalog, circa 1908.
- Woodward Governor Company builder photo of their compensating type governor.
- Woodward Governor Company blue print drawing from 1922.
- Woodward Governor Catalogue M from the archives.
- Woodward gateshaft type water wheel governor, circa 1924.
- WOODWARD GATE SHAFT TYPE WATER WHEEL GOVERNOR, CIRCA 1918.
- WOODWARD GATE SHAFT TYPE WATER WHEEL GOVERNOR HISTORY.
- WOODWARD GATE SHAFT TYPE WATER WHEEL GOVERNOR HISTORY.
- WOODWARD GATE SHAFT OIL PRESSURE GOVERNOR HISTORY.