[GreenKeys] Punchcards. Was: off topic? sort of..

Jim Haynes jhhaynes at earthlink.net
Thu Sep 10 11:09:12 EDT 2015


Then there were the Remington Rand - Univac punch cards which had round
holds and 45 columns and 12 rows treated as 90 columns of 6 rows each.
Same size card as IBM.  And a friend who recently visited Bletchley Park
sent me a Powers card, which seems to use the same format as Univac
but in a much smaller card.


More information about the GreenKeys mailing list