Visual Materials
Called "The Tower Line" by employees, the transmission line between Bishop and San Bernardino shown here under construction in 1913 was the longest in the world when completed
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Making a splice in the aluminum and steel cable during construction of the tower line over Cajon Pass in May of 1912
Visual Materials
Making a splice in the aluminum and steel cable during construction of the tower line over Cajon Pass in May of 1912. Pg. 79.
photCL SCE 11 - 00164
Preparing to pull through some more cable during the construction of a 500kV transmission line
Visual Materials
Preparing to pull through some more cable during the construction of a 500kV transmission line. Pg. 222.
photCL SCE 11 - 00448
Stringing wires on the 243-mile long Big Creek to Los Angeles 150 kV transmission line, 1913
Visual Materials
Stringing wires on the 243-mile long Big Creek to Los Angeles 150 kV transmission line, 1913. Pg. 110.
photCL SCE 11 - 00221
Working over 150 feet above the desert floor, an Edison crew assembles a tower for the Vincent-Lugo transmission line
Visual Materials
Working over 150 feet above the desert floor, an Edison crew assembles a tower for the Vincent-Lugo transmission line. Pg. 223
photCL SCE 11 - 00450
Raising a pole by "horse-whim" during the building of the 55 kV line to Banning in 1913
Visual Materials
Raising a pole by "horse-whim" during the building of the 55 kV line to Banning in 1913. This was the first leg of Southern Sierras' extension into the Imperial Valley. Pg. 127
photCL SCE 11 - 00263
The big "bull wheel" tensioning devices for 500kV transmission line construction were much larger than their 220kV ancestors used in the building of the Hoover Dam lines
Visual Materials
The big "bull wheel" tensioning devices for 500kV transmission line construction were much larger than their 220kV ancestors used in the building of the Hoover Dam lines. Pg. 222.
photCL SCE 11 - 00447