Caption: This is a punch card that was used at RECKU, The Regional University Computing Centre at the Copenhagen University in the early 1970s. The code is part of a FORTRAN IV program.
Source: I have some old cards in a drawer in different colors with and without holes, which I scanned. This object is not a creative work and therefore not subject to copyright.
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I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
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