Opening Hours
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
The Southern Sierras Power Company's local office in Perris, about 1918. There are two men standing in front of the office; one looks like an office employee and the other looks like a line crewman. Pg. 81.
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Visual Materials
Map of the route of H.N. Siegfried's 1915 journey through Eastern California to find new business for the Southern Sierras Power Company. Pg. 84
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Visual Materials
Southern Sierras Power Company's big Alco truck hauling a load of poles out to Elsinore, 1913. Pg. 80.
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Visual Materials
The Yellow Astor Mine, near Randsburg, was a Southern Sierras customer until it was shut down by World War II. Pg. 83.
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Visual Materials
This frequency changer at Edison's Colton Substation was a major point of interconnection with Southern Sierras Power Company, prior to the frequency change. Pg. 219.
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Visual Materials
Southern Sierras Power's El Centro Substation was the terminus of a transmission line from the Bishop Creek Hydro Plants. It started life as Holton Power Company's gas-electric power plant. Pg. 120.
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