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Photograph Album 1:1 (2008-242)Series VI: Yerkes Observatory
Finsler comet, C/1924 R1 (Finsler) 75:116 (2008-003)Series VI: Yerkes Observatory
Measuring Machine 23:1631 (2008-003)Series VI: Yerkes Observatory
Measuring Machine 23:641 (2008-003)Series VI: Yerkes Observatory
Measuring Machine 55:812 (2008-003)Series VI: Yerkes Observatory
Measuring Machine 56:813 (2008-003)Series VI: Yerkes Observatory
Measuring Machine 85:132 (2008-003)Series VI: Yerkes Observatory