[ih] Fwd: Re: Early Internet history

[Vint Cerf]

alexander graham bell had been trying to find a way to multiplex several
concurrent telegraph signals on the same line when he ended up carrying
voice - of course there is also the Elisha Gray initiative that may
actually have preceded Bell's experiment.

v


On Thu, Jul 5, 2018 at 4:59 PM, Brian E Carpenter <
brian.e.carpenter at gmail.com> wrote:

> On 06/07/2018 03:34, Jack Haverty wrote:
> ...
> > I was in Paris recently and spent several hours at the Musee des Arts et
> > Metiers, essentially a museum of technology.  One section is devoted to
> > "Communications".  I noticed one display cabinet containing a machine
> > that was somehow used to "allow several telegraph operators to share the
> > same wire" - so I guess Multiplexing has been around since the 19th
> century.
>
> It was perceived as a requirement very early. Wikipedia dates it to the
> 1870s.
> But I think the first really successful version was the "Murray Multiplex"
> in
> about 1909. My colleague Bob Doran has studied Donald Murray's works at
> some length:
> https://www.cs.auckland.ac.nz/historydisplays/FifthFloor/
> Murray/MurraySpielLR.pdf
>
>    Brian
>
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