Early construction of the 150-foot tower, Mount Wilson Observatory, as seen from the east. A few construction workers are standing on the scaffolding at the base of the tower. A toolbox and some building materials are on the ground within the construction site. Trees are in the surrounding area. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
Towers--Design and construction Construction--California Scaffolding Tools Construction workers--United States Mount Wilson Observatory Trees Photographic prints. (gmgpc)
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