Yerkes Observatory Buildings, Instruments, Equipment, Grounds

Yerkes Observatory Buildings, Instruments, Equipment, Grounds
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Yerkes Observatory Buildings, Instruments, Equipment, Grounds
Micrometer 67:1059 (2008-003)
VI: Yerkes Observatory
Filar micrometer attached to the eye-end of the Yerkes Observatory 40-inch refractor telescope, and used to study the small separations between double and binary stars.
Micrometers | Refracting telescopes | Lenses (Components) | Measuring instruments | Stars | Astronomical instruments
1897-08-15
Glass plate negatives; 24.7 x 19.4 cm
373 West Geneva Street | Williams Bay, Wisconsin
Y01
Archival Photographic Files
University of Chicago Library, Special Collections Research Center
apf6-01646

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