Drawing by R.W. Porter depicting an interior view of Palomar Observatory and a cross-sectional view of the vacuum aluminizing chamber of the 200-inch telescope, 1940
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 a drawing by R.W. Porter depicting an interior view of Palomar Observatory and a cross-sectional view of the vacuum aluminizing chamber of the 200-inch telescope, 1940. The 200-inch telescope is shown to the left of center, perched atop a metal platform with a man sitting on top of the giant machine. The illustration reveals the cross-section of the vacuum aluminizing chamber through layers of the apparatus. The interior of the dome of the observatory is seen in the background.
Type
image
Format
1 photograph : photoprint, b&w 21 x 26 cm. photographic prints photographs art
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