File:Office Military Keypunch Machines.jpg
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Office Military Keypunch Machines sometime in the 1940s, all of which are "black-boxed".
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|current||18:39, 5 March 2008||891 × 648 (135 KB)||Trh249||Office Military Keypunch Machines sometime in the 1940s, all of which are "black-boxed". http://www.earlyofficemuseum.com/data_processing_machines.htm|
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