Yerkes Observatory Buildings, Instruments, Equipment, Grounds

Yerkes Observatory Buildings, Instruments, Equipment, Grounds
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Yerkes Observatory Buildings, Instruments, Equipment, Grounds
40-inch Refractor Telescope 26:1155 (2008-003)
VI: Yerkes Observatory
Yerkes Observatory 40-inch object glass or objective.
Lenses (Components) | Refracting telescopes
1901-05-21
Glass plate negatives; 24.7 x 19.7 cm
Alvan Clark & Sons; Warner & Swasey Company
373 West Geneva Street | Williams Bay, Wisconsin
Y01
Archival Photographic Files
University of Chicago Library, Special Collections Research Center
apf6-00313

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