Construction and framing of a computer room addition at the base of the 150-foot tower telescope, Mount Wilson Observatory. The framing for the walls, the foundation and the partially-completed roof are all visible. Trees are in the background. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
Buildings--California--Photographs Building construction--California--Mount Wilson Building sites--California--Mount Wilson--Photographs Buildings--California--Mount Wilson--Photographs Framing (Building) Steel Framing (Building) Foundations Roofs Trees Photographic prints. (gmgpc)
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