- The latest two vintage governors added to the old Woodward collection for 2020.
- The last governor added to the collection in 2020.
- PACIFIC LIGHT & POWER COMPANY HYDRO HISTORY.
- LOMBARD HYDRAULIC TURBINE WATER WHEEL GOVERNOR HISTORY. PAGE 2.
- Kern River Hydro Plant Number 1 History.
- Kern River Hydro Plant History. Page 3.
- Kern River Hydro Plant History. Page 2.
- Kern River Hydro Plant Governor Unit.
- HISTORY OF HYDRO-ELECTRIC POWER IN CALIFORNA.
- From the governor patent collection and then finding the real thing!
- Double-acting gas engine history. Page 3.
- Double-acting gas engine history. Page 2.
- Double-acting gas engine history.
- Another great Woodward governor find.
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