Brad Rogers wrote:
On Thu, 12 Jun 2008 07:49:00 -0700
Andrew Sackville-West <[EMAIL PROTECTED]> wrote:
Hello Andrew,
this is surely do-able. The very first modems were essentially a
speaker and a microphone that were connected to the telephone reciever
by a couple of rubber cup-like things.
Acoustic Couplers, they were called. A real PITA to use, too; One
hard knock, and the line dropped, because the noise produced upset
everything.
But it worked. Connected from IBM Chicago to IBM Kingston in 1972 using
TSO and an electric typewriter. It all took a while though.
Hugo
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