Physical laboratory at Mount Wilson Observatory, (left center) as seen from Signal Point. Power house (right) and battery room (right front) also visible. Taken with a telephoto lens. The San Gabriel Mountains are visible in the background; trees are in the foreground. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
Laboratories Mount Wilson Observatory Power-plants Buildings--California Roofs Windows San Gabriel Mountains (Calif.) Trees Photographic prints. (gmgpc)
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