The Braille system was developed in 1829 by Loius Braille and it was adopted officially in France in 1854. The system is based on embossed dots, and each Braille character, also called a cell, is composed of 3 columns of 2 dots.
The Braille system was developed in 1829 by Loius Braille and it was adopted officially in France in 1854. The system is based on embossed dots, and each Braille character, also called a cell, is composed of 3 columns of 2 dots.