Ken Shirriff on X: The IBM 729 is the classic mainframe tape drive with its spinning reels. It stored the equivalent of thousands of punch cards on a spool of magnetic tape.

Ken Shirriff on X: Restoring iconic IBM 729 tape drives

729 Tape Unit Refresher

Ken Shirriff on X: Can you spot the short in the vintage IBM 729

code Nautilus (@codeNautilus) / X

text_gcn/data/corpus/20ng_vocab.txt at master · yao8839836

Ken Shirriff on X: Old tape drive maintenance at @ComputerHistory

Ken Shirriff on X: An IBM 729 tape drive holds loops of tape in

code Nautilus (@codeNautilus) / X

Ken Shirriff on X: Restoring iconic IBM 729 tape drives

Ken Shirriff on X: Vintage repair at @ComputerHistory. One of the

IBM 1401