Yerkes Observatory Buildings, Instruments, Equipment, Grounds

Yerkes Observatory Buildings, Instruments, Equipment, Grounds
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Yerkes Observatory Buildings, Instruments, Equipment, Grounds
Photometer 35:2033 (2008-003)
VI: Yerkes Observatory
Photoelectric photometer attached to the Yerkes Observatory 40-inch refractor telescope showing finders and a reading microscope.
Photoelectric photometers | Refracting telescopes | Microscopes
1930-02-11
Glass plate negatives; 19.6 x 24.6 cm
373 West Geneva Street | Williams Bay, Wisconsin
Y01
Archival Photographic Files
University of Chicago Library, Special Collections Research Center
apf6-00943

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