On Tue, 4 Sep 2007, jim wrote:
I have one of the card reader units, but nothing else.
If it's like the one that I have, and/or the one that I used briefly in
about 1970, it is 40 column, using every other column of a standard IBM
card, making the "port-a-punch" cards ideal for it.
(If anybody here doesn't know what a "standard IBM card" is, go 'way.)