Question

Charles Barbier's invention, 'night writing' was

useful for.........​

Answer 1

Explanation:

Charles Barbier's invention, 'night writing' was

useful for.........

Answer 2

Answer:

Charles Barbier

French army officer

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Charles Barbier, a French army officer. It was called night writing and was intended for night-time battlefield communications. In 1824, when he was only 15 years old, Braille developed a six-dot “cell” system.He used Barbier’s system as a starting point and cut its 12-dot…