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1 Jan 1890 Jahr - 1890 - máquinas de tarjetas perforadas

Beschreibung:

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

Zugefügt zum Band der Zeit:

LIBRO LOS INNOVADORES

ByJoan Sebastian

3 Okt 2018

0

0

845

Datum:

1 Jan 1890 Jahr

Jetzt

~ 135 years ago

Abbildungen:

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