Artifact Details Title Diagnostic Work Copy Catalog Number 102697166 Type Software Description hand labeled loose 5 1/4 inch floppy disk. Label Information: CPM 2.2 XEROX 820-II Diagnostic Work Copy SER-PTR. XEROX 820-II 1987 Date 1987 Format 5 1/4 inch floppy disk Credit Gift of Charles R. Stackpole Lot Number X3662.2007