Doheny Memorial Library, Los Angeles, CA 90089-0189 Public Domain. Release under the CC BY Attribution license--http://creativecommons.org/licenses/by/3.0/--Credit both “University of Southern California. Libraries” and “California Historical Society” as the source. Digitally reproduced by the USC Digital Library; From the California Historical Society Collection at the University of Southern California Send requests to address or e-mail given USC Libraries Special Collections specol@usc.edu
Description
Photograph of construction of the Sepulveda Tunnel, showing two Ransome -- half-yard concrete guns, March 1, 1930. The two concrete guns sit side by side at center with their long, metal pipes extending into the foreground. Gauges are attached to their fronts and a single light bulb hangs overhead. They area is contained by a small, wooden structure.
Type
image
Format
1 photograph : photoprint, b&w 13 x 18 cm. photographic prints photographs
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