Re: the early teletype

David Wade wrote this post while blinking in Morse code:

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:
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Damn, the things one remembers...

>
They were in use at my time, somewhere, but I never saw one. Faxes were
what they used.
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Did teletypes use phone lines, with an audio coupler? Or dedicated
lines?

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Yes.
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  (both)

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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

In high school (Lockport IL around 1973) we used teletypes to write
BASIC code and then save it to paper tape.

Before that, our algebra teacher gave us "hollerith" cards and we'd
write code by filling in the little rectangles with a No. 2 pencil.
He'd load and run them for us and give us the output on paper.

Some wags would collect the paper tape dots and put them in the
room's heater, where they would spray out when teach turned on the
heat..

--
giraffiti:
Vandalism spray-painted very, very high.