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14 déc. 1810 - Hauy crea las bases del que ahora conocemos como método Braille (puesto que este lo perfecciona) para ciegos, consistente en letras en relieve.
Ajouté au bande de temps:
Actividad t.1 Maria Olalla Serra
By
Maria Olalla
22 nov. 2018
0
0
494
Date:
14 déc. 1810
Maintenaint
~ Il y a 215 ans
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