This gray metal punch is intended for punching carriage control and program control tapes for IBM mainframe computer components. A tab along the right side can be set at any of 12 positions. A mark on the front reads: IBM. A mark on the bottom reads: 192726. Compare 1986.0751.01. For related tapes, see 1986.0751.03 and 1986.0751.04.
Our collection database is a work in progress. We may update this record based on further research and review. Learn more about our approach to sharing our collection online.
If you would like to know how you can use content on this page, see the Smithsonian's Terms of Use. If you need to request an image for publication or other use, please visit Rights and Reproductions.