Construction of a computer room addition at the base of the 150-foot tower telescope, Mount Wilson Observatory. The steel framing for the new building is seen next to the tower's base. The flooring is not yet installed; part of the building's foundation is visible. Trees are seen behind the new building and the tower's base.
Framing (Building) Steel framing (Building) Towers Foundations Building--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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