1960’s-70’s automated-machinery cards collections computer computer-punch-cards data-encoding data-input data-output data-processing-industry data-storage decks-of-cards digital-data early-digital-computers flexible-write-once-medium format holes mainframe-data-processing now-obsolete once-common paper paper-ephemera predefined-positions punch-card punched-card retro specialized stiff-paper storage-medium tabulating vintage analog analog-magnetic-tape analog-sound-recording-medium articulated-voices audio-editing audio-play-back audio-recording audio-signal audio-storage-device audio-tape-recorder irrelevant magnetic-tape magnetic-tape-reel magnetisable-tape outdated play-back quality Recording reel reel-to-reel sound tape-deck tape-head tape-machine tapes technology unwanted useless