- A vintage Curtiss propeller engine governor.
- A vintage Curtiss propeller engine governor.
- Another Curtiss propeller governor for a vintage aircraft engine.
- A Curtiss name plate.
- A vintage Curtiss propeller engine governor.
- Another Curtiss propeller governor for a vintage aircraft engine.
- A vintage Curtiss propeller engine governor.
- Cool name plates to purchase.
- A vintage Curtiss propeller engine governor.
- A vintage Curtiss propeller engine governor.
- Water-power Chronicle.
- STATION B IN OREGON.
- A vintage Curtiss propeller engine governor.
- Vintage Hydroelectric Power Plant history.
- PELTON WATER WHEEL COMPANY HISTORY.