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Bundled decks of punch cards. The diagonal slashes are there so that if the deck is dropped, the cards can be put back in order by making sure the slash marks are aligned. They also make out-of-place cards more apparent.



Box of w:Punch cards containing several computer programs.


I took this picture of artifacts in my possession. The markings on the tops of the card decks are mine.


May 11, 2006


Arnold Reinhold


own work


I, the author of this work, hereby publish it under the following license:
Creative Commons License
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