Keywords: Hollerith card.jpg Old computer punch card without holes Caption This is a punch card such as was used to enter Fortran programs into the mainframe system at the University of Missouri “Rolla in the late 1970s The beveled corner on the upper left ensured that all cards were oriented the same way Source I was showing my old college calculus book to my son and found several of these in the pages we would take stacks of them from the keypunch room to use as note cards and bookmarks I scanned the picture and claim no rights to it Kbh3rd Scanned and uploaded to en by Kbh3rd This object is not a creative work and therefore not subject to copyright Punch cards Fortran |