Artifact Details Title Whirlwind tapes series 203 Catalog Number 102782264 Type Software Description Tapes included are: FC 203-255-999 M10 6/28 FC 203-255-999 M11 6/28/ 1957 FC 203-255-999 M12 6/28/1957 999 M13 7/23 Date 1957 Lot Number X4222.2008