Incomplete construction of the 60-inch telescope dome building, Mount Wilson Observatory. Several unidentified men stand on and near the building. Some of the steel framework is visible in the open roof. Trees are adjacent to the building. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
Mount Wilson Observatory Observatory domes Construction--California Construction projects Construction workers Steel framing (Building) Steel, Structural Astronomical observatories Trees Photographic prints. (gmgpc)
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