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1 янв 1890 г. - 1890 - máquinas de tarjetas perforadas

Описание:

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

Добавлено на ленту времени:

LIBRO LOS INNOVADORES

ByJoan Sebastian
3 окт 2018

Дата:

1 янв 1890 г.
Сейчас
~ 134 г назад

Изображения:

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