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Original Mount Wilson observatory building (center), 60-inch telescope erecting house (left), & new physical laboratory (right), Pasadena. Shrubs, lawn, streets and utility poles are visible in front of the buildings. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
Optical laboratories Office buildings--California--Pasadena Workshops Building, Brick Windows Electric lines--Poles and towers Streets--California--Pasadena Curbs Sidewalks Trees Photographic prints. (gmgpc)