Construction and framing of a computer room addition at the base of the 150-foot tower telescope, Mount Wilson Observatory. Two unidentified construction workers are seen installing what appears to be corrugated sheet metal below the framing of the sloped roof. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
Framing (Building) Steel framing (Building) Construction workers--United States Buildings--California--Photographs Building construction--California--Mount Wilson Building sites--California--Mount Wilson--Photographs Buildings--California--Mount Wilson--Photographs Trees Photographic prints. (gmgpc)
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