12 Jan
2017
12 Jan
'17
12:49 p.m.
On Thu, 12 Jan 2017, Cory Heisterkamp wrote:
Given the topic, I have this rather *unique* punch
card reader, if you want
to call it that. It is marked EAI but that's where the trail turns cold.
Perhaps used as a microcode source? All holes are read simultaneously via
individual switches. If someone has seen one before, please speak up. -C
http://www.radar58.com/reader/IMG_2894.jpg
45 years ago, there was a similar design ("bed of nails", alternate
columns, fos use primarily with port-a-punch cards) but in very spiffy
little portable vertical clamshell packagings, used with a Wang
programmable calculator.
http://americanhistory.si.edu/collections/search/object/nmah_1196402
http://www.oldcalculatormuseum.com/a-wang704.pdf
http://www.oldcalculatormuseum.com/wang360.html
