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May 2014, Week 4

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Subject:
Re: Tape to Punched Cards
From:
Jeff Kell <[log in to unmask]>
Reply To:
Jeff Kell <[log in to unmask]>
Date:
Thu, 22 May 2014 21:02:45 -0400
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On 5/22/2014 8:53 PM, Walter J. Murray wrote:
> Tony B. Shepherd asked:
>
>> Speaking of odd trivia in the old days - anybody remember "column 81"
> on a standard IBM card and what it was used for?
>
> Do you mean the notch that indicated the card had gone through the IBM
> 056 verifier with no errors?

No, I think that was column "zero". 

But he's got me stumped on 81.  The manual 026/029 keypunches could hit
it, but don't recall what it was for.

Jeff

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