26 Oct
2010
26 Oct
'10
9:28 a.m.
From: Al Kossow <aek at bitsavers.org>
On 10/25/10 7:26 PM, leaknoil wrote:
Or 80 brushes, I think the holes in cards were made tall and narrow to make reading them
that way easier.
It looks to me like a punch card exactly fits in
there and the contacts are what read the holes in the card.
nope
cards are read with 12 brushes