From: "Howard Winter"

> I don't remember that problem, but I don't think I ever tried to
duplicate binary cards.  I do remember the
> special hook-ended knife used for getting bits of jammed card out from
under the punch-head, though!  :-)

When I was in Air Force tech school, they warned us right off that it
would be an automatic Article 15 for tossing the contents of a chad box
in the air.

I was always impressed at how well a card reader could fan fold a punch
card.  It also sounded neat when it happened.

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