A note by M. Branly in connection with the suggestion of MM. Berget and Decombe showing how a Hertz exciter and Branly coherer may be used to give warning of approaching ships, and prevent collisions. (1000 w.)
Space telegraphy and collisions at sea
Telegraphie sans Fil et Collisions en Mer
1898
Aufsatz (Zeitschrift)
Französisch
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