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Answer:
Braille. In 1824, a 15 year old Louis Braille first presented his system of written communication, today known simply as braille. ...
Explanation:
Bonjour !
Answer:
- Braille. In 1824, a 15 year old Louis Braille first presented his system of written communication, today known simply as braille.
- The stethoscope. (Paris)