Yerkes Observatory

Yerkes Observatory
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Yerkes Observatory
Sunspots 1
II: Buildings and Grounds
Sun with numerous spots.
Sun | Sunspots | Solar activity | Astronomical photography
1926-02-19
Photographic prints; 22.0 x 18.7 cm
Archival Photographic Files
University of Chicago Library, Special Collections Research Center
apf2-08916

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