2 Answers

Apfelsaft · Answer 1 · 2020-01-24T07:43:54+0000

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)

DreadPirateShawn · Answer 2 · 2020-01-28T10:40:30+0000

Answer:

Braille. In 1824, a 15 year old Louis Braille first presented his system of written communication, today known simply as braille. ...

Step-by-step explanation:

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