- A Trump Company turbine catalog with a Woodward compensating type water wheel governor ca 1900 s
- A Lombard Company turbine water wheel governor at the Rock River Museum
- A vintage Trump turbine with a Woodward Standard size 1 water wheel governor ca 1897
- A vintage Woodward compensating friction water wheel governor
- A vintage Rodny Hunt Company water wheel governor donated by the Woodward Governor Company.
- AMOSKEAG HYDRO POWER PLANT.
- AMOSKEAG HYDRO POWER PLANT TURBINES.
- AMOSKEAG HYDRO POWER PLANT.
- AMOSKEAG HYDRO WITH WOODWARD TYPE A ACTUATORS
- AMOSKEAG HYDRO 5
- ANGELL WATER WHEEL COMPANY
- APPALACHIAN POWER CO CLAYTOR POWER HOUSE WITH WOODWARD CABINET ACTUATOR GOVERNOR CONTROLS CA 1939
- Abbeville Hydro electric power plant history.
- Abbeville Hydro-electric power plant history.
- Abbeville Hydro 4