6 Mar
2009
6 Mar
'09
4:06 p.m.
Thining of edge-punched cards...
The original membership cards for the Cambridge University Computer
Preservation Society had 8-level paper-tape punchings along the bottom
edge giving (IIRC) 'CUCPS' (im ASCII),. the member's computer userid
(ditto) and the membership number (3 bytes, binary).
I don;t think anyone ever tried to machine-read them though.
-tony