Artifact Details Title Whirlwind tapes series 250 Catalog Number 102766909 Type Software Description The tapes included are: #250-257 MT0 BDs 4 and 5 CONVERSION CSII, POST-MORTEM DUP #2 AND #0 3-7-59 BENNETT 1.20310-1.37501 Date 1959 Lot Number X4222.2008