Construction of a computer room addition at the base of the 150-foot tower telescope, Mount Wilson Observatory. The building's walls appear to be made from corrugated sheet metal, with a brick or stone foundation. An unidentified construction worker stands near the wall facing the camera; a ladder is on its side near his geet. A small portion of the tower's base is seen above teh building's roof. 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.
Building construction--California--Mount Wilson Building sites--California--Mount Wilson--Photographs Buildings--California--Mount Wilson--Photographs Walls Corrugated sheet metal Foundations Roofs Construction workers--United States Ladders Towers Trees Mount Wilson Observatory Photographic prints. (gmgpc)
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