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La Télégraphie Sous-Marine
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ISBN10: 1519556535
ISBN13: 9781519556530
Publisher: Createspace
Published: Nov 27 2015
Pages: 182
Weight: 0.55
Height: 0.39 Width: 6.00 Depth: 9.00
Language: French
ISBN13: 9781519556530
Publisher: Createspace
Published: Nov 27 2015
Pages: 182
Weight: 0.55
Height: 0.39 Width: 6.00 Depth: 9.00
Language: French
Nous n'avons encore parlé que des télégraphes électriques établis sur la terre; nous n'avons considéré jusqu'ici que ces fils métalliques élevés dans l'espace, et soutenus par des supports isolants, au milieu de l'air, qui est par lui-même mauvais conducteur de l'électricité. Il nous reste à faire connaître l'entreprise extraordinaire qui a eu pour résultat de créer des communications du même genre à travers la mer, c'est-à -dire au milieu de la substance la plus susceptible, en raison de son extrême conductibilité, de disséminer le fluide électrique. Considérée longtemps comme un beau rêve, cette oeuvre glorieuse a été enfin réalisée avec un complet bonheur, et maintenant plusieurs contrées, séparées les unes des autres par la mer, sur une distance considérable, sont en relation électrique continue, et correspondent d'une manière instantanée, comme si elles n'étaient séparées que par un intervalle de quelques lieues. C'est le tableau de cette nouvelle et incomparable merveille de la science contemporaine, que nous avons maintenant à retracer...
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