Home / HISTORICAL WATER POWER ENGINEERING. 140
Creation date / 2017 / All
- Governor Definitions.
- Governor Definitions copied from Irl C. Martins history files.
- The Woodward Governor Company shop floor where all the governors are manufactured, circa 1950's.
- WOODWARD SERVICE SINCE 1870.
- WOODWARD SERVICE SINCE 1870.
- Woodward Governor Company's shop order #1845, circa 1909.
- A vintage Water Wheel Manufacturing History Project.
- JAMES LEFFEL LETTERHEAD, CIRCA 1944.
- JAMES LEFFEL LETTERHEAD, CIRCA 1944.
- THE JAMES LEFFEL COMPANY, CIRCA 1944.
- Patent page 5.
- Patent page 4.
- Patent page 3.
- Patent page 2.
- Patent page 1.