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Libros antiguos y modernos

Branly, Édouard, French Physicist And Inventor (1844-1940).

Autograph letter card signed.

N. p. [Paris], 26. VI. 1924.,

250,00 €

Inlibris Antiquariat

(Wien, Austria)

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Detalles

Autor
Branly, Édouard, French Physicist And Inventor (1844-1940).
Editores
N. p. [Paris], 26. VI. 1924.
Materia
Autographs: Science
Idiomas
Inlgés

Descripción

12mo. 1 p. With autograph address. Mounted on paper (4to). To the inventor and engineer Édouard Belin (1876-1933), congratulating him on the solution of a difficult problem: "Ce fut pour moi un grand plaisir de voir comment vous étiez parvenu à résoudre un problème passionnant et bien difficile. Je ne doute pas que vous continuerez à progresser dans le merveilleux". - As a pioneer of wireless telegraphy and radio transmission, Branly was an important predecessor to Belin, who invented the Bélinographe, the first phototelegraphic device. - Ink very slightly faded.
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