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From: "Carlos E.R." <robin_listas@es.invalid>
Newsgroups: comp.misc,alt.folklore.computers
Subject: Re: the early teletype
Date: Mon, 18 Nov 2024 19:12:05 +0100
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On 2024-11-18 15:49, David Wade wrote:
> On 18/11/2024 14:11, Carlos E.R. wrote:
>> On 2024-11-15 21:23, Charlie Gibbs wrote:
>>> On 2024-11-15, Scott Lurndal <scott@slp53.sl.home> wrote:
>>>
>>>> "Carlos E.R." <robin_listas@es.invalid> writes:
>>>>
>>>>> On 2024-11-15 00:11, Charlie Gibbs wrote:
>>>>>
>>>>>> Damn, the things one remembers...
>>>>>
>>>>> They were in use at my time, somewhere, but I never saw one. Faxes 
>>>>> were what they used.
>>>>>
>>>>> Did teletypes use phone lines, with an audio coupler? Or dedicated 
>>>>> lines?
>>>>
>>>> Yes.
>>>>
>>>>   (both)
>>>
>>> Well put.  :-)
>>>
>>> Common dial-up services were Telex (Baudot, typically with Teletype
>>> model 32s, although a PPOE used a Siemens machine), and TWX
>>> (Teletypewriter Exchange), which ran ASCII, typically on Teletype
>>> model 33s.
>>>
>>
>> I suppose an operator had to type directly at the machine. Or, was 
>> there a method to type at some kind of offline machine, then take over 
>> something, like perforated tape?
>>
>>
> Well if your machine had a punch you could prepare a tape off-line , and 
> then send full speed when you had it ready and checked. In the UK Creed 
> did produce "perforators", so a keyboard with a punch so I am sure 
> Teletype did in the USA
> 
> https://www.radiomuseum.org/r/creed_keyboard_perforator_type_44.html

Interesting. Also schematics. Mechanical.

-- 
Cheers, Carlos.