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 26:157 (2008-003)
VI: Yerkes Observatory
Yerkes Observatory 40-inch refractor telescope with the rising floor at the lowest position.
Refracting telescopes | Floors (Surface elements)
1897-05-11
Glass plate negatives; 21.1 x 18.4 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
apf6-00312

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