26 Feb
2009
26 Feb
'09
3:09 p.m.
Brent Hilpert wrote:
Practically speaking, I wonder if there was a
'good practice' limit on how many
holes could be punched in one column, too many holes and a card might become
flimsy and likely to fold along the column(s), reducing the theoretical maximum
bit density.
Just found this entry: http://en.wikipedia.org/wiki/Lace_card
:-)
... so did machines of the day often have encoding schemes such that large
areas of punches were unlikely?