[GreenKeys] Teletype M12 KSR

Fri Jan 23 01:32:37 EST 2015

WOOD TABLES WERE USED ON THE M26 FOR PAPER HANDLING.
WOOD TABLES FOR THE 15, 19, AND 20 WERE USED DURING WWII DUE TO SHEET METAL SHORTAGES.

DON

On 23 Jan 2015, at 12:09 AM, epvgk at limpoc.com wrote:

> 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.
>> 
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