University of London - Job Control Card - Blue

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Blue 80-column punch card with rounded corners reading “Job Control Card” at the top of the card. Card is printed with a distinctive red ink. “IBM United Kingdom Limited” is printed on the left of the bottom margin, with “University of London” in the right of the bottom margin. Product code “868-21006” is printed in the bottom margin at the centre.

The card has column numbers for every column, above the 0 and below the 9 rows. Row and column numbers are encompassed by a bordered box. This card is cut in the top left hand corner. The archive holds a mix of punched and unpunched cards of this specimen. Punched cards are punched with job names in brackets encoded in a binary-coded-decimal FORTRAN character set (sometimes called BCD-H).

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