View of observer, Francis G. Pease, at cassegrain focus of the Hooker 100-inch telescope, Mount Wilson Observatory. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
Reflecting telescopes Large astronomical telescopes Pease, F. G. (Francis Gladheim), b. 1881 Mount Wilson Observatory Observatory domes Interiors Mount Wilson (Calif.) Photographic prints. (gmgpc)
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