Main girder of the 100-inch telescope dome arriving at the construction site upon the observatory 3-ton truck, Mount Wilson Observatory. The construction workers are unidentified. The corrugated steel building exterior is to the far right; steel pieces are at the far left, under a part of a crane. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
Construction workers--United States Girders Trucks Automobiles Corrugated sheet metal Construction equipment Cranes, derricks, etc Mount Wilson Observatory Photographic prints. (gmgpc)
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