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• 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: 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.

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Ken Shirriff on X: The IBM 729 is the classic mainframe tape

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

code Nautilus (@codeNautilus) / X

code Nautilus (@codeNautilus) / X

Ken Shirriff on X: Restoring iconic IBM 729 tape drives

729 Tape Unit Refresher

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

729 Tape Unit Refresher

Ken Shirriff on X: Restoring iconic IBM 729 tape drives

729 Tape Unit Refresher