- The Woodward size F governor was smaller in work capacity than this size B governor.
- Drawing of the size D governor.
- Drawing of the size C governor.
- The Mill City hydro-electric power house.
- The Mill City hydro dam.
- The Mill City hydro dam.
- The hydro turbine generators inside the Mill City power house.
- Inside the hydro-electric power house.
- Inside the hydro-electric power house.
- Inside the hydro-electric power house.
- The Mill City hydro-electric power house.
- The Mill City hydro-electric power house.
- The Mill City hydro-electric power house in 1897.
- Inside the hydro-electric power house.
- The Mill City hydro dam.