Artifact Details Title Whirlwind tapes series 285 Catalog Number 102782027 Type Software Description The tapes included are: FC 285-25-74 M4 4/17/1957 FC 285-25-74 M5 4/17/1957 FC 285-25-74 M6 4/17/1957 Date 1957 Lot Number X4222.2008