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29 dic 1889 anni - The punch card was created

Descrizione:

The punch card was created by Herman Hollerith,for data processing came after he'd seen the punched cards used to control Jacquard looms. Each card in this string is 9 inches long by 1.25 inches wide by 1/16 inch thick, which were made of metal.

Aggiunto al nastro di tempo:

Data:

29 dic 1889 anni
Adesso
~ 135 years ago

Immagini: