Display-less computing

Dave Wade dave.g4ugm at gmail.com
Tue Dec 15 09:33:07 CST 2015

> -----Original Message-----
> From: cctalk [mailto:cctalk-bounces at classiccmp.org] On Behalf Of Chuck
> Guzis
> Sent: 15 December 2015 05:37
> To: General Discussion: On-Topic and Off-Topic Posts
> <cctalk at classiccmp.org>
> Subject: Re: Display-less computing
> On 12/14/2015 06:05 PM, Paul Koning wrote:
> > I've only ever seen them called "12" and "11" for the top and next
> > rows respectively.  For example, the card code listing on the IBM 360
> > "green card" shows them that way (e.g., A is 12-1).
> Same here.  But it's not outside the range of possibility that *someone*
> called them X and Y, although I don't know who did.  Doug Jones doesn't
> mention it.

I have seen ICT punches labelled this way. There is one here where "X" and
"Y" have been manually added. 


I think the one I own is labelled....

> Let's not forget the System/3 96-column cards.  BA8421 (sort of like
> mag tape), with a really wacky way to combine the columns to make 8-bit
> bytes.
> Univac, of course, had their own system with their double-45 column
> round holes and all.
> --Chuck


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