- GEN2 044
- GEN2 045
- GEN2 047
- GEN2 048
- How does a Woodward Oil Pressure water wheel governor work?
- Inside the hydro-electric power house.
- Inside the hydro-electric power house.
- Inside the hydro-electric power house.
- Inside the hydro-electric power house.
- Inside the hydro-electric power house.
- Inside the hydro-electric power house.
- Inside the hydro-electric power house.
- Kilbourn Dam in the Wisconsin Dells.
- Look out building.
- MECHANICAL DESIGN OF HYDRO ELECTRIC POWER PLANTS.