The 60-inch reflecting telescope, showing plate-holder attachment at the Newtonian focus, Mount Wilson Observatory. The interior of the dome walls are visible in the background. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
Reflecting telescopes Newtonian telescopes Large astronomical telescopes Mount Wilson Observatory Astronomical observatories Astronomical instruments Observatory domes Interiors Mount Wilson (Calif.) Photographic prints. (gmgpc)
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