Autograph letter card signed.
Autograph letter card signed. | Libri antichi e moderni | Branly, Édouard, French Physicist And Inventor (1844-1940).
Autograph letter card signed.
Autograph letter card signed. | Libri antichi e moderni | Branly, Édouard, French Physicist And Inventor (1844-1940).
Metodi di Pagamento
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Dettagli
- Autore
- Branly, Édouard, French Physicist And Inventor (1844-1940).
- Editori
- N. p. [Paris], 26. VI. 1924.
- Soggetto
- Autographs: Science
- Lingue
- Inglese
Descrizione
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.