does any read punch cards anymore?

[William Donzelli]

> IBM card readers tend to be more demanding, since they (at least the
> ones I know) push the card into the reader by its far edge.  This is
> done with a chunk of metal that has a step on it whose height matches
> the card thickness.

IBM's card readers varied greatly in quality - the 2501 would suck up
anything, and the 2560 MFCM was known as the "Mother Fucking Card
Mangler".

William Donzelli
aw288 at osfn.org