14 ene 1829 año - Embossed Printing Press ( Braille )

Descripción:

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.

Añadido al timeline:

18 oct 2017

0

0

400

History of Printing

fecha:

Fotos: