Construction of the foundation and support pier for the Hooker telescope. Mount Wilson Observatory. Forms for the floor and supporting brackets are in place. Several construction workers are seen; one is on the ground, standing in a horse-drawn wagon of dirt. Several others are seen at the top of the building. Wooden scaffolding surrounding the structure. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
Construction projects Construction workers--United States Astronomical observatories Building--California Horses Scaffolding Foundations Mount Wilson Observatory Photographic prints. (gmgpc)
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