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jan 3, 1821 - sistema para los soldados

Description:

En 1821, Charles Barbier de la Serre (1767-1861), capitán de artillería, presenta en el centro educativo de Haüy un sistema puntiforme (escritura nocturna o sonografía) que inventó para que los soldados se enviaran mensajes en relieve, para poder ser leídos al tacto, en la oscuridad.

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ByKatia Raitarski Lozano
3 Sep 2018

Date:

jan 3, 1821
Now
~ 203 years ago
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