Coraline Ada Ehmke on Nostr: “Lace cards... were were mainly used as practical jokes to cause disruption in ...
“Lace cards... were were mainly used as practical jokes to cause disruption in [punched] card readers. Card readers tended to jam when a lace card was inserted.”
https://en.wikipedia.org/wiki/Lace_card 
Published at
2023-12-08 04:22:52Event JSON
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