Construction of a computer room addition at the base of the 150-foot tower telescope, Mount Wilson Observatory. The unfinished new building is seen between a hillside (to its left) and the base of the tower (to its right). Construction materials and debris are in the surrounding area. Trees are seen 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 Roofs Towers Construction equipment Trees Photographic prints. (gmgpc)
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