[GreenKeys] TWX and 15/28

[COURYHOUSE at aol.com]

David!  ok lets try this  an see if it  takes  when I  send it  from this  
end !
 
seeing the below .. yea  1955  ...   still a  puzzle  but  I doubt it was a 
35. at that  time... I am all open  ears though!
 
TTY Model 15, TWX (1949)

TTY Model 19, TWX (1949)

TTY Model 15, TWX (1962)

TTY Model 19, TWX (1962)

TTY Model 28 KSR, TWX (1962)
 
TTY Model 28 ASR, TWX (1962)

TTY Model 35, TWX no date -
 
>I certainly do not know my history here, but ATT did  publish a series
>of booklets on using the Models 15, 19, and 28 on TWX  service during
>this period.
>
>The ones I've seen and/or  scanned were published in
>1949 (model 15, 19)
>1962 (model 15, 19,  28 KSR, 28 ASR)
>These are (mostly) online  at:
>
>http://www.circuitousroot.com/artifice/telegraphy/tty-biblio/att/index.html
>
>Of  course, 1955 is right in the middle here, so this information
>doesn't  help Ed at all - sorry.
>
 
 
In a message dated 4/23/2013 1:00:03 P.M. US Mountain Standard Time,  
dmm at lemur.com writes:


Ed,

For some reason this posting to GreenKeys is  bouncing to the moderator
(not sure why), so I thought I'd send it to you  directly...

>
>From: dmm at lemur.com
>Reply-To:  dmm at lemur.com
>To: greenkeys at mailman.qth.net
>Subject: Re:  [GreenKeys] Riddle me this... If a TWX was installed in 1955 
would it be a 15  or a 28?
>Date: Tue, 23 Apr 2013 12:17:14  -0500
>
>
>Ed wrote:
>Riddle me this...  If a TWX  was installed in 1955  would it be a 15 or a 
28?
>
>and Wayne  replied
>>Neither, it would be an ASCII machine if it was on the  common TWX 
system. 
>
>I certainly do not know my history here,  but ATT did publish a series
>of booklets on using the Models 15, 19,  and 28 on TWX service during
>this period.
>
>The ones I've  seen and/or scanned were published in
>1949 (model 15, 19)
>1962  (model 15, 19, 28 KSR, 28 ASR)
>These are (mostly) online  at:
>
>http://www.circuitousroot.com/artifice/telegraphy/tty-biblio/att/index.html
>
>Of  course, 1955 is right in the middle here, so this information
>doesn't  help Ed at all - sorry.
>
>The corresponding booklet for the Model  35 in TWX service (also
>scanned via the page above) is undated and (to  judge by the design
>of its cover) slightly  later.
>
>Regards,
>David M.
>===
>Dr. David M.  MacMillan  -  dmm at lemur.com
>
>   The first  rule of intelligent tinkering is to save all the parts.
>     - Paul Ehrlich (1854-1915); Aldo  Leopold
>
>www.CircuitousRoot.com   *   www.LemurType.com   *   www.Lemur.com
>
>

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