- The Woodward size F governor was smaller in work capacity than this size B governor.
- Drawing of the size D governor.
- The Mill City hydro dam.
- The Mill City hydro-electric power house.
- Drawing of the size C governor.
- Elmer Woodward's new hydraulic governor developed and patented in 1912. Patent number 1,106,434.
- Inside the hydro-electric power house.
- The Mill City hydro dam.
- The Mill City hydro-electric power house.
- Inside the hydro-electric power house.
- Inside the hydro-electric power house.
- Look out building.
- The hydro turbine generators inside the Mill City power house.
- The Mill City hydro-electric power house.
- Inside the hydro-electric power house.