Opening Hours
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
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
Image not available
Visual Materials
[Construction of 500kV transmission line through desert and agricultural lands - tower construction and stringing of conductor] [with 11 variants]
photCL SCE 06 - 72461
Visual Materials
Dramatic view of the building of the Vincent-Lugo 500kV transmission line, part of Edison's bulk power "backbone". Pg. 224.
photCL SCE 11 - 00451
Visual Materials
Vincent-Lugo 500kV transmission line under construction. [color, with 2 variants (one is a B&W copy neg)]
photCL SCE 08 - 00256
Visual Materials
Stringing a high voltage (500kV) transmission line through a remote foothill area [with 20 variants]
photCL SCE 06 - 71919
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