Mount Wilson physical laboratory under construction, looking east from top of spruce tree south of Snow telescope. The partially-constructed brick walls are visible through the trees, with openings for windows prior to roof installation. In the center of the photograph is a telephone or utility pole, with wires strung. Trees and shrubs surround the construction area; the San Gabriel Mountains are visible in the background. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
Mount Wilson Observatory Astronomical observatories Laboratories Workshops Construction--California Brickwork Electric lines--Poles and towers Wire San Gabriel Mountains (Calif.) Trees Shrubs Photographic prints. (gmgpc)
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