Construction of the computer room addition at the base of the 150-foot tower telescope, Mount Wilson Observatory. The structure appears to have walls of corrugated metal, and a stone or brick foundation. A ladder leans against a part of the building. A small portion of the tower's base can be seen at the far left. Trees are seen at the far right and behind the new structure. 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 Corrugated sheet metal Walls Foundations--Design and construction Ladders Towers Trees Mount Wilson Observatory Photographic prints. (gmgpc)
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