Punched cards (Was: 1" paper tape buy ?
cisin at xenosoft.com
Wed Mar 4 16:39:41 CST 2009
Does anybody object to changing the subject line?
My father used to claim that the only reason for existence of the
round-hole, 90, 96 column cards was that IBM patented the particular
rectangular shape of their holes.
He also claimed that IBM patented the whole idea of using a brass roller
for card reading, and that that ALMOST worked to cripple the rest of the
industry, until somebody finally got photocell card reading working.
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