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4 results.
Architectural Model 46:2 (2008-003)Series VI: Yerkes Observatory
Architectural Model 46:3 (2008-003)Series VI: Yerkes Observatory
Architectural Model 9:12 (2008-274)Series VI: Yerkes Observatory
O'Dell Eschelle Spectrograph 46:1 (2008-003)Series VI: Yerkes Observatory