Category:IBM keypunch code plates

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These code plates were used in IBM keypunch machines (026, 029) to control printing text at the top of the card as it is being punched. See https://ibm-1401.info/PunchedCardTypography.html for more information.

Media in category "IBM keypunch code plates"

The following 3 files are in this category, out of 3 total.

IBM26 WirePlate TieClip.jpg 1,330 × 2,100; 424 KB
Piastra dei codici di stampa per la perforarice IBM 026 - Museo scienza tecnologia Milano D1214 01.jpg 1,280 × 856; 800 KB
Piastra dei codici di stampa per la perforarice IBM 026 - Museo scienza tecnologia Milano D1214.jpg 1,280 × 834; 674 KB

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