Los Angeles (Calif.).Department of Water and Power
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This huge 25-foot three-phase transformer at the Valley steam plant steps up voltage from 18,000 to 138,000 volts for transmission to the distribution system. The plant has about 1700 control switches, instruments and relays. Photo date: May 16,1957.
Los Angeles (Calif.).--Department of Water and Power Electric power-plants--California--Sun Valley (Los Angeles) Electric transformers--California--Sun Valley (Los Angeles) Valley Times Collection photographs