Prior to the 444 and other late model machines, Creed had both three (N3)
and four row (N4) keyboards for use on the 7B, 54 etc series teleprinters.
They also had a diabolically cunning thing called the CTK(Commercial
Typerwriter Keyboard) that automatically inserted the appropriate case shift
signals as required--mechanically!
Dave Brown
Christchurch, NZ
----- Original Message -----
From: "Tony Duell" <ard_at_p850ug1.demon.co.uk>
To: <cctalk_at_classiccmp.org>
Sent: Saturday, May 22, 2004 11:51 AM
Subject: Re: Teletype Model 28 Tacoma Washington.
> > Yes -- three rows of keys rather than four on the keyboard, that's the
> > giveway. (It doesn't necessarily work that way on other company's
> > products, but Teletype's 5 bit machines have 3 row keyboards.)
>
> Older Creeds have 3-row keyboards, in fact the Murray code has the
> characters assigned so that the Figs shift of QWERTYUIOP are 1-0 in
> order, if you see what I mean.
>
> Later Creeds, like the famous 444, have 4-row keyboards with a mechanical
> blocking arrangement so you can only press those keys for the shift (LETs
> or FIGs) that the machine thinks it's currently in.
>
> -tony
>
Received on Fri May 21 2004 - 20:54:41 BST