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jan 10, 1928 - IBM Punched Card

Description:

Claire D. Lake invented this type of punched card while competing against an engineering rival. This card had 80 columns which was twice as many as the regular PC. It held more storage and was priced at $2.

http://www-03.ibm.com/ibm/history/ibm100/us/en/icons/punchcard/

Added to timeline:

8 months ago
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CBA Storage Device Timeline

Date:

jan 10, 1928
Now
~ 90 years ago
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