Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!iuvax!cica!tut.cis.ohio-state.edu!gem.mps.ohio-state.edu!ginosko!uakari.primate.wisc.edu!ames!sun-barr!texsun!texbell!vector!telecom-gateway From: johnl@esegue.segue.boston.ma.us (John R. Levine) Newsgroups: comp.dcom.telecom Subject: Re: The 'Public Telegraph Office' Message-ID:Date: 20 Sep 89 15:19:14 GMT Organization: Segue Software, Cambridge MA Lines: 16 Approved: telecom-request@vector.dallas.tx.us X-Submissions-To: telecom@eecs.nwu.edu X-Administrivia-To: telecom-request@vector.dallas.tx.us X-TELECOM-Digest: volume 9, issue 402, message 1 of 11 In article you write: >typing. A small bell, driven by a just like today ... Smallest nit of the week -- telex machines are all Baudot five-bit code, for which there's no such thing as a control key, just letter-shift and number-shift. The bell is some number-shift key. Regards, John Levine, johnl@esegue.segue.boston.ma.us, {spdcc|ima|lotus}!esegue!johnl [Moderator's Note: Well I believe it was the 'shift - 7' now that you mention it; and of course control-G is Ascii 7. Weren't the 'number-shift' keys essentially like control keys? How did they get line feed, carriage return, ENQ (who are you?) and answerback without control codes? My handy Ascii chart here says control-E, or ASC(5) when sent polls the other end to identify itself. What do you think? PT]