[GreenKeys] Teletype M12 KSR

Dave Horsfall dave at horsfall.org
Fri Jan 23 01:05:21 EST 2015


On Thu, 22 Jan 2015, Jim Haynes wrote:

> > 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.

Wasn't it the 37 that was used heavily in the early days of Unix?

-- 
Dave Horsfall DTM (VK2KFU)  "Bliss is a MacBook with a FreeBSD server."
http://www.horsfall.org/spam.html (and check the home page whilst you're there)


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