Early Card Punch Machines
By A Mystery Man Writer
Last updated 17 Jul 2024
![Early Card Punch Machines](http://www.columbia.edu/cu/computinghistory/reg-card-80.gif)
![Early Card Punch Machines](https://mccarlgallery.files.wordpress.com/2013/03/dscf1484.jpg)
Punch Cards: 19th Century Coverlet Technology
![Early Card Punch Machines](https://qph.cf2.quoracdn.net/main-qimg-7f952e159c10fcf5858a8d6627bd0eff.webp)
What did code on punch cards do with the other six bits per column
![Early Card Punch Machines](http://www.columbia.edu/cu/computinghistory/012-front.jpg)
Early Card Punch Machines
![Early Card Punch Machines](https://twobithistory.org/images/ibm029_front.jpg)
The IBM 029 Card Punch
![Early Card Punch Machines](https://www.ibm.com/content/dam/connectedassets-adobe-cms/worldwide-content/arc/cf/ul/g/af/82/Punched-Card_271.component.xl.ts=1702909028817.jpg/content/adobe-cms/us/en/history/punched-card/_jcr_content/root/leadspace)
The punched card
![Early Card Punch Machines](https://twobithistory.org/images/card.png)
The IBM 029 Card Punch
![Early Card Punch Machines](https://www.ibm.com/content/dam/connectedassets-adobe-cms/worldwide-content/arc/cf/ul/g/af/82/Punched-Card_271.jpg/_jcr_content/renditions/cq5dam.medium.1584.1584.jpeg)
The punched card
![Early Card Punch Machines](http://amhistory.si.edu/ogmt/images/upload/tabulating-equipment/Tabulating_Header_6.jpg)
National Museum of American History
![Early Card Punch Machines](https://i.pinimg.com/564x/0a/f6/14/0af61411711e8a9a0dc9d7121eb8b02b.jpg)
Punch Card Reader and Writer Computer history, Computers for
![Early Card Punch Machines](https://c8.alamy.com/comp/2PK873J/hollerith-punch-card-machine-at-the-intelligence-factory-at-bletchley-park-2PK873J.jpg)
Punched card hi-res stock photography and images - Alamy
![Early Card Punch Machines](https://i.pinimg.com/236x/55/62/b1/5562b10812e5fbb7d07520c4b0bdf671.jpg)
1929 IBM Card Punching Machine Ibm card, Computer history, Jazz age
![Early Card Punch Machines](https://m.media-amazon.com/images/I/71eJP7FMjQL._AC_UF894,1000_QL80_.jpg)
VEVOR Punch Time Clock, Time Tracker Machine for
![Early Card Punch Machines](http://www.columbia.edu/cu/computinghistory/reg-card-80.gif)
Early Card Punch Machines
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