- Oldest book read to date, circa 1845.
- Vintage Hydroelectric Power Plant history.
- Vintage Hydroelectric Power Plant history.
- Vintage Hydroelectric Power Plant history.
- Vintage Hydroelectric Power Plant history.
- Vintage Hydroelectric Power Plant history.
- Vintage advertisements are interesting!
- Vintage Power Plant history.
- Vintage magazines are interesting!
- Vintage Hydroelectric Power Plant history.
- An oil pressure(hydraulic) relay valve turbine water wheel governor system.
- New Kern Canyon Hydro-electric Station. 5.
- New Kern Canyon Hydro-electric Station. 4.
- New Kern Canyon Hydro-electric Station. 3.
- New Kern Canyon Hydro-electric Station.