Yerkes Observatory Buildings, Instruments, Equipment, Grounds

Yerkes Observatory Buildings, Instruments, Equipment, Grounds
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Yerkes Observatory Buildings, Instruments, Equipment, Grounds
Micrometer 126:1301 (2008-003)
VI: Yerkes Observatory
Micrometer attached to the Yerkes Observatory 40-inch refractor telescope.
Micrometers | Refracting telescopes | Measuring instruments | Astronomical instruments
Undated
Glass plate negatives; 24.8 x 19.2 cm
373 West Geneva Street | Williams Bay, Wisconsin
Y01
Archival Photographic Files
University of Chicago Library, Special Collections Research Center
apf6-01361

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