Construction of a computer room addition at the base of the 150-foot tower telescope, Mount Wilson Observatory. Two unidentified construction workers are seen working within the partially-completed foundation for the new structure. The foundation appears to be made from bricks. A small portion of the tower's base is seen behind the workers and to the left. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
Foundations Bricks Brickwork Construction workers--United States Hats Towers Construction equipments Building--California--Photographs Building construction--California--Mount Wilson Building sites--California--Mount Wilson--Photographs Buildings--California--Mount Wilson--Photographs Photographic prints. (gmgpc)
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