[GreenKeys] Rock and Roll Teletype 'experts'
ard at p850ug1.demon.co.uk
Tue Jun 14 18:30:35 CDT 2005
> Really? I would have thought most people here knew that Baudot's
> teletype dates back to 1870, and was operational in 1877.
> His keyboard had only five keys, but it was ITU 1.
> Or do think it is little known because Britain were late adopters and
> the US was on a different trail?
A bit later, but I have a set of 6 books entitled 'Modern Electrical
Engineering' which I estimate date from between 1910 and 1920. These
contain a description of the Baudot telegraph system with diagrams of the
machinerey, circuits for the 'Quadruplex', etc. It appears to have been
well in use by then.
Said books also contain a description of a lovely electromechanical FIFO
system used to store train descriptors on the London Underground (and its
associated binary to 1-of-n decoder) ...
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