Télécharger le livre :  A History of the Telegraph in France
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"In the year 1802, when Napoleon was first consul, there arrived in Paris two artisans of Poitiers. One of these men, Jean Alexandre, had invented a rudimentary form of the electric telegraph, and, with his friend Beauvais, he had left the little country town full of...

Editeur : Editions le Mono
Parution : 2016-02-24

ePub

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