- Vintage Hydroelectric Power Plant history.
- Vintage Hydroelectric Power Plant history.
- Drawing of the size D governor.
- Drawing of the size C governor.
- An oil pressure(hydraulic) relay valve turbine water wheel governor system.
- A Wisconsin Grist Mill Woodward governor size D compensating governor.
- Directions on how to operate a Woodward size D water wheel governor.
- Kern County Number 1 Hydro-electric Power Station History.
- Exciter number one unit at the Kern County hydro plant.
- Kern County Number 1 Hydro-electric Power Station History.
- Kern County Number 1 Hydro-electric Power Station History.
- Kern County Number 1 Hydro-electric Power Station History.
- Kern County Number 1 Hydro-electric Power Station History.
- Kern County Number 1 Hydro-electric Power Station History.
- Kern County Number 1 Hydro-electric Power Station History.