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Re:NYC phone ban reveals some students can't read clocks by OgsyedIE on Friday December 26, 2025 @06:17PM (#46397436)
Just gonna jump in here with three more:

- Telegraph brevity codes (e.g. Bentley, Marconi)

- Telex codes and various predecessors to ASCII (plus even what Telex hardware looks like in a lot of cases)

- Heraldry

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