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D C Ross

@sabi Direct, I think. It took special rolls of paper which would turn brown if you left them in the sun too long.

1 comment
zl2tod

@deeseearr @sabi
I used a 300/75 baud Miniterm thermal printer / keyboard / acoustic coupler combo early on, but before that there was 45 baud 5 bit Baudot on a Creed teleprinter too.
ASR-33 teletypes could change the gearing for different baud rates. I could easily type faster than 75 baud, held back by the mechanical interlocks on the keyboard which stopped pressing another key until the current key had been transmitted.

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