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 solar motor near Phoenix, Arizona, showing detail of boiler where 2000 mirrors focus on sun's rays, ca.1903. The apparatus is designed to pumps water for irrigation. Gear mechanism (not visible) rotates the dish-shaped mirror to follow the sun.
Type
image
Format
3 photographs : glass photonegative, photoprints, b&w 22 x 17 cm. glass plate negatives photographic prints photographs
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