[GreenKeys] Teletype M12 KSR

[epvgk at limpoc.com]

On Fri, Jan 23, 2015 at 01:00:50AM -0500, Ed Sharpe Archivist for SMECC via GreenKeys wrote:
> Jim and others ...Model 15 and 19 tables - -
> What was  the time  they were wood and when they were metal? 
> We have a 15  on wood and one on metal. The 19 we have is a metal  table...
> I have always wondered...

Mine is metal and I have no idea when it was made, though I'm happy to provide
details/serial numbers/pictures if it would help determine the timeline. 
Could it be not chronological but, say, military vs civilian? 

eric

>  
> Ed Sharpe Archivist  for SMECC
>  
>  
> In a message dated 1/22/2015 9:43:08 P.M. Pacific Standard Time,  
> jhhaynes at earthlink.net writes:
> 
> On Thu,  22 Jan 2015, Jack wrote:
> 
> > that had come in as disconnects. The  ???Model 19???s??? were a 15 KSR ole n a 
> wood
> > table with
> > 
> > a  TD and reperf. There were none of the mechanical keyboard punches. By  
> the
> > mid-1970???s things
> 
> I picked up a machine in Kansas City  (from a Telephone Pioneers group)
> that was similar to that - 15 KSR, but on  a metal table, with a TD and
> a reperf, but no mechanical punch.  Was  told it had been used by the
> telco for service orders.  The TD was  similar to that used in the 81D1
> systems, having a big Jones plug on it,  and there were some boxes with
> polar relays set up to detect when certain  characters were read from
> the tape.
> 
> > 
> > in use into the  late 70???s. DX readers (another nightmare) were used to 
> read
> > 
> >  Model 14 tapes into the Comdat. I left the TTY gang in the late 70???s  and
> 
> The DX reader was under development when I was at Teletype, so I  didn't
> see the end of it.  What turned out to be a  nightmare?
> 
> > cellular engineering group. But, as far as I know, the  Model 40???s (4540) 
> had
> > already
> > taken over as in-house  machines.
> 
> A couple of ex-Teletype engineers went to San Diego and  started a little
> company where they made a lot of money supporting Model 40  stuff for
> the telephone companies that were still using them.  The  company still
> exists:  datacap-inc.com
> > 
> > Interestingly,  the Model 37 came and went almost overnight as far
> > as it being used  internally at Ma Bell.
> > 
> And probably was used even less outside Ma  Bell.  That was a fiasco.
> Teletype's last totally-mechanical  product.  Similar technology was used
> in the "900" stock ticker which  I would call successful but had a rather
> short service life because of  other means of getting the stock market
> reports out.  Model 37 was  very late getting to market.  I was told that
> a major reason for the  lateness was the engineers' insistence in making
> a mechanical selector that  could run at 150 baud.  A seriously hard
> problem that should never  have been undertaken since electronics could
> do the job so easily.   And the keyboard was the same as the Model 38
> keyboard, based on the Model  32/33, terrible keyboard touch.  And it was
> competing against the IBM  2741 based on the Selectric typewriter with
> its superb keyboard  touch.  And then was supplanted by the daisywheel
> printers, and  finally by dot matrix printers that could produce typewriter
> quality  print.
> 
> Then too, the M37 was somewhat related to the #1ESS-ADF which  was 
> a solution looking for a problem.  At one time there was a market  for
> that kind of machine, but by the time it was getting usable  the
> computer industry had moved on beyond dedicated communication  processors.
> 
> In my opinion a lot of time and money was wasted trying to  make the 
> Inktronic printer practical.  It was a clever idea, but  couldn't be
> turned into a practical  machine.
> 
> ______________________________________________________________
> GreenKeys  mailing list
> Home:  http://mailman.qth.net/mailman/listinfo/greenkeys
> Help:  http://mailman.qth.net/mmfaq.htm
> Post:  mailto:GreenKeys at mailman.qth.net
> 
> 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

> ______________________________________________________________
> GreenKeys mailing list
> Home: http://mailman.qth.net/mailman/listinfo/greenkeys
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:GreenKeys at mailman.qth.net
> 
> 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