Hollerith Issued US Patent For Calculator
January 08 1889

Description
Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
Location
References
Punched cardexternal
Patentexternal
Herman Hollerithexternal
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Created By: johnny
Created On: 2015-04-30T22:12:57Z

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