SDC A1004 Punch Cards

SDC A1004 Punch Cards

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These bright yellow eighty-column punch cards are rounded at the corners except at the upper right corner, which is cut off in a straight line. The cards contain fields in which the date was indicated with two digits for the year, two for the month and two for the day of the month. A mark in the bottom left corner reads: SDC A1004. According to the donor, they were from a firm of dry cleaners that used tabulating equipment in the 1960s (and perhaps the 1950s) for record keeping.
Compare 1997.3099.02.
Currently not on view
Object Name
Punch Cards
punch cards
date made
Physical Description
paper (overall material)
overall:.1 cm x 18.5 cm x 8.3 cm; 1/32 in x 7 9/32 in x 3 9/32 in
ID Number
nonaccession number
catalog number
Credit Line
Gift of Prof. Michael R. Williams
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Medicine and Science: Mathematics
Computers & Business Machines
Punch Cards
Data Source
National Museum of American History
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