File:Blue-punch-card-front-horiz top-char-contrast-stretched.png

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Original file ‎(2,232 × 1,004 pixels, file size: 4.42 MB, MIME type: image/png)

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Description
English: An IBM 5081-style punched card showing the encoding of the 1964 EBCDIC Latin character set, including numerals 0-9, upper-case letters A-Z, and special characters. The contrast of the human-readable strip at the top of the card has been artificially enhanced.
Date 18:41, 10 March 2011 (UTC)
Source The same image, with lesser contrast at the top
Author Nikevich (talk) 18:41, 10 March 2011 (UTC)
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(Reusing this file)		 Deduced from existing text. I declare that this has the same permission/licensing as the unmodified image.
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Public domain This work has been released into the public domain by its author, Gwern at English Wikipedia. This applies worldwide.
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Gwern grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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Date/TimeThumbnailDimensionsUserComment
current16:43, 24 May 2020Thumbnail for version as of 16:43, 24 May 20202,232 × 1,004 (4.42 MB)Frank Klemm (talk | contribs)enhanced contrast inverted similar color of the enhacned part as the rest of the card
18:41, 10 March 2011Thumbnail for version as of 18:41, 10 March 20112,232 × 1,004 (3.27 MB)Nikevich (talk | contribs){{Information |Description = Processed image of the blue EBCDIC card, with enhanced contrast of the printed characters at the top. |Source = The same image, with lesser contrast at the top |Date = ~~~~~ |Author = ~~~~

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