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A. S. Popov achievements alternating current apparatus Apraksin battleship beginning Branly Chemical Society conducted Congress connected course direct current discovery distance elec Electric Oscillations electric waves electrical engineering electricians electromagnetic waves Electrotechnical Institute entitled exhibition experiments Faraday General-Admiral Apraksin Georgiyevsky Gogland Gulf of Finland Hertz history of radio instruments interest inventor of radio investigations January journal Kotka Kronstadt Kutsalo large number later lighting magnetic Makarov Marconi's mast means of communication memorandum ment Naval Department Naval Technical Committee Navy Nizhny Novgorod Perm Petersburg University Petrovsky Petrushevsky phenomena Physical and Chemical physicist Physics Department physics laboratory Popov began Popov's lectures practical Preece problems professor published pupils radio equipment received relay Remmert Russian Physical Russian science Russian scientists Russian Technical Society Rybkin seminary Shatelen ships Sixth Department specialists station storm indicator teachers tion Torpedo School transmission tricity tube versts wire wireless telegraphy wrote Yegorov Yermak Zalevsky
A History of Broadcasting in the United States, Volume 1
Snippet view - 1966