Folsom Powerhouse click picture for larger image
 1895 to 1952 National Historic Landmark
The first AC Hydroelectric powerplant to transmit high voltage over a distance. Power generated in Folsom was sent to Sacramento. 
Some of the power from this plant was used to power an electric Trolley Line
Two of the four generators
 New Transformer
replaced many in upper room
Governor for turbine speed regulation kept generator speed at constant for 60 cycle power
 Generator

Turbine water entered from top and exited both sides to river
Power control board made of 4" thick granate
Telephone
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