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.

729 Tape Unit Refresher

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

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

729 Tape Unit Refresher

729 Tape Unit Refresher

729 Tape Unit Refresher

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

code Nautilus (@codeNautilus) / X

Ken Shirriff on X: Restoring iconic IBM 729 tape drives