PunchingCards: operating an IBM key punch machine, usually in a room full of other people doing the same thing at all hours of the day and night. The HollerithPunchCard''''''s in question were the standard do not fold-spindle-or-mutilate design. The punching cut holes in HermanHollerith's code whose meanings were deciphered when light passed through them in a CardReader. --GeorgeBrower
----
CategoryHistory