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jan 1, 1890 - 1890 - máquinas de tarjetas perforadas

Description:

•Se tabula el censo estadounidense empleando las máquinas de tarjetas perforadas de Herman Hollerith.

Added to timeline:

LIBRO LOS INNOVADORES

ByJoan Sebastian

3 Oct 2018

0

0

845

Date:

jan 1, 1890

Now

~ 135 years ago

Images:

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