[GreenKeys] Teletype sighting. PLATO

John W9DDD w9ddd at tapr.org
Sat Mar 18 09:19:35 EDT 2023


One has to wonder which came first, the 32 version used on the 28 compact KSR, or this 33 offering. 

John, W9DDD


> On Mar 18, 2023, at 8:03 AM, Paul Heller <paul0926 at comcast.net> wrote:
> 
> Whoa. I never knew one of those existed. Great find Jeff!
> 
> Paul
> 
> 
>> On Mar 18, 2023, at 6:48 AM, Jeffrey Golas <jeffg at junknet.net> wrote:
>> 
>> 
>> Isnt that one of those keyboard only 33 machines? 
>> 
>> <preview.png>
>> teletype_m33_self_contained_kbd
>> PDF Document · 419 KB
>> 
>> 
>> Jeff
>> 
>>> On Mar 18, 2023, at 12:34 AM, Harold Hallikainen via GreenKeys <greenkeys at mailman.qth.net> wrote:
>>> 
>>> 
>>> 
>>>> On Fri, March 17, 2023 8:44 pm, Paul Heller wrote:
>>>> Scroll down to the Plato III terminal.
>>>> 
>>>> https://arstechnica.com/gadgets/2023/03/plato-how-an-educational-computer-system-from-the-60s-shaped-the-future/
>>>> 
>>>> 
>>>> Paul
>>>> W2TTY
>>> 
>>> 
>>> I see the Teletype logo on the machine but cannot identify it. It looks
>>> "flat" like a model 43.
>>> 
>>> The article mentions The Source. I was an early subscriber to The Source.
>>> I used a Lear Siegler ADM-1 terminal and a home brewed 300 bps modem
>>> (XR2206 and XR2211) to call from San Luis Obispo CA to Santa Barbara CA
>>> where I could get on a network to reach The Source. I think The Source
>>> cost something like $5 per hour and the call to Santa Barbara CA was about
>>> $7 per hour. I used this to write code for the MC6800. They had a cross
>>> assembler for it. I then downloaded the S record file to my Sunrise
>>> Electronics ZAP-80 EPROM programmer, burned an EPROM, and plugged it into
>>> my wire wrapped prototype MC6802 system.
>>> 
>>> Eventually I got a Cromemco CP/M system and did assembly on that.
>>> 
>>> Harold
>>> https://w6iwi.org
>>> 
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>>> 
>>>>>> Jordan Spencer Cunningham's GreenKeys Search Tool: https://teletype.net/gksearch
>>>>>> 2002-to-present greenkeys archive: http://mailman.qth.net/pipermail/greenkeys/
>>>>>> 1998-to-2001 greenkeys archive: http://mailman.qth.net/archive/greenkeys/greenkeys.html
>>>>>> Randy Guttery's 2001-to-2009 GreenKeys Search Tool: http://comcents.com/tty/greenkeyssearch.html
>>> 
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>> 
>>>>> Jordan Spencer Cunningham's GreenKeys Search Tool: https://teletype.net/gksearch
>>>>> 2002-to-present greenkeys archive: http://mailman.qth.net/pipermail/greenkeys/
>>>>> 1998-to-2001 greenkeys archive: http://mailman.qth.net/archive/greenkeys/greenkeys.html
>>>>> Randy Guttery's 2001-to-2009 GreenKeys Search Tool: http://comcents.com/tty/greenkeyssearch.html
>> 
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
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> ______________________________________________________________
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> 
>>>> Jordan Spencer Cunningham's GreenKeys Search Tool: https://teletype.net/gksearch
>>>> 2002-to-present greenkeys archive: http://mailman.qth.net/pipermail/greenkeys/
>>>> 1998-to-2001 greenkeys archive: http://mailman.qth.net/archive/greenkeys/greenkeys.html
>>>> Randy Guttery's 2001-to-2009 GreenKeys Search Tool: http://comcents.com/tty/greenkeyssearch.html
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
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