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

[Ed Sharpe Archivist for SMECC via GreenKeys]

http://www.smecc.org/the_powers_tabulating_system.htm
I almost  forgot.... here is a  section on powers  tab   gear we  did at 
SMECC  ages ago.
click on photo to make  bigger...   there is  photo of  card with round  
holes and neat old  gear!
 
Ed# 
 
 
In a message dated 9/10/2015 8:09:53 A.M. US Mountain Standard Time,  
jhhaynes at earthlink.net writes:

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.
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