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26 févr. 1890 - 1890, Herman Hollerith’s tabulator

Description:

Herman Hollerith designs a punch card system to calculate the 1880 census, accomplishing the task in just three years and saving the government $5 million. He establishes a company that would ultimately become IBM.

Ajouté au bande de temps:

21 sept. 2018
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344

Date:

26 févr. 1890
Maintenaint
~ Il y a 135 ans

Les images: