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 1:1163 (2008-003)
VI: Yerkes Observatory
Pier and column of Yerkes Observatory 40-inch refractor telescope beneath the elevating floor.
Refracting telescopes | Piers (Supporting elements)
1901-11-20
Glass plate negatives; 19.8 x 24.2 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
apf6-00019

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