Completed 100-inch telescope foundation pier, Mount Wilson Observatory. Construction of building framework surrounding it, as seen from the east. The brackets on the concrete foundation pier are facing the camera. Large pieces of steel framing are both in place surrounding the foundation and on the ground. Other pieces of construction equipment are in the area. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
Foundations--Design and construction Concrete construction Steel framing (Building) Steel, Structural Hoisting machinery Construction equipment Brackets Mount Wilson Observatory Photographic prints. (gmgpc)
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