- A Woodward hydraulic turbine gate shaft type water wheel governor schematic.
- WATER POWER DEVELOPMENT.
- 1923
- Vintage Hydroelectric Power Plant history.
- Vintage Hydroelectric Power Plant history.
- 1
- Vintage advertisements are interesting!
- Vintage Hydroelectric Power Plant history.
- 9
- 2
- Vintage Hydroelectric Power Plant history.
- 10
- 7
- Vintage magazines are interesting!
- 5