Construction of the foundation for the 100-inch telescope dome building, Mount Wilson Observatory. Four (4) unidentified construction workers stand in front of the building on the ground. Above them, three large brackets are partially constructed and jut out from the exterior wall. Hoisting machinery can be seen above the building, some of which is covered with scaffolding. Lumber and other construction materials and tools are on the ground in front of the building. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
Construction--California Construction workers--United States Construction projects Construction equipment Hoisting machinery Foundations--Design and construction Brackets Exterior walls Astronomical observatories Observatories Mount Wilson Observatory Photographic prints. (gmgpc)
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