- An interior view of the power house at the Prairie du Sac power house in 1914.
- An Elmer Woodward mechanical water wheel Governor model type D from 1902.
- An early Woodward oil pressure turbine water wheel governor, circa 1922.
- An early Woodward Governor Company factory photo of their Mill Street factory.
- An early application of a Woodward hydraulic turbine water wheel governor system, circa 1917.
- An aerial view shows Consolidated Papers Company of Stevens Point Division in the lower right
- An abandoned Woodward size D compensating type water wheel governor.
- An 1870's paper for turbine water wheel applications.
- AMOSKEAG HYDRO POWER PLANT.
- AMOSKEAG HYDRO POWER PLANT.
- AMOSKEAG HYDRO POWER PLANT TURBINES.
- AMOSKEAG HYDRO 5
- AMOSKEAG HYDRO WITH WOODWARD TYPE A ACTUATORS
- Amos Woodward's smallest size 4 water wheel governor.
- Amos Woodward's new friction water wheel governor, circa 1897.