Completed foundation pier for the 100-inch telescope building, Mount Wilson Observatory. As seen from the northwest. Steel structural framing surrounds the concrete telescope pier. Steel rods are on the ground in the foreground. The support brackets are clearly seen near the top of the concrete foundation. 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 Brackets Construction--California Observatories Astronomical observatories Steel, Structural Steel framing (Building) Mount Wilson Observatory Photographic prints. (gmgpc)
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