Artifact Details Title Leo II printout of last message Catalog Number 102743797 Type Still image Description Printout is framed. Printout reads "LEO II, 13 years, 58-71, worked 70000 hours, used 124000000 cards, 2600 miles paper tape, produced 8800000 payslips, 3640000 invoices, now it is time to close, 23 June 71". Date 23 June 1971 Credit Purchase of the Computer History Museum Lot Number X5594.2010