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14 gen 1829 anni - Embossed Printing Press ( Braille )

Descrizione:

Louis Braille invents embossed printing, this printing is embossed dot system which is used in braille today which these dots are put in order to represent a letter in the alphabet, which is used for the blind.

Aggiunto al nastro di tempo:

History of Printing

ByPatryck
18 ott 2017
0
0
544

Data:

14 gen 1829 anni
Adesso
~ 196 years ago

Immagini:

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