Yerkes Observatory Buildings, Instruments, Equipment, Grounds

Yerkes Observatory Buildings, Instruments, Equipment, Grounds
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Yerkes Observatory Buildings, Instruments, Equipment, Grounds
Spectroheliograph 72:1177b (2008-003)
VI: Yerkes Observatory
Spectroheliograph. St. John's spark in the Yerkes Observatory Spark Laboratory.
Spectroheliographs | Sun | Research laboratories
1902-09-19
Glass plate negatives; 19.8 x 24.8 cm
373 West Geneva Street | Williams Bay, Wisconsin
Y01
Archival Photographic Files
University of Chicago Library, Special Collections Research Center
apf6-01986

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