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 today's #othernetworks entry: Hellschreiber, from 1929. what an impressively simple, elegant, practically error-free way to transmit text: the method essentially allows you to send pictures of letters (using a 7x7 bitmap grid) rather than transmitting codes.

https://post.lurk.org/system/media_attachments/files/111/166/938/145/213/721/original/642bec9982563fbb.jpg