60-foot tower, taken from near C. G. Abbot's spectrobolometer house. Snow solar telescope is in background, with trees in foreground. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
Solar telescopes Towers Mount Wilson Observatory Mount Wilson (Calif.) Abbot, C. G. (Charles Greeley), 1872-1973 Astronomical instruments Astronomical observatories Trees Photographic prints. (gmgpc)
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