Guglielmo Marconi (1 янв 1897 г. – 1 янв 1897 г.)
Описание:
Guglielmo Marconi, sends a radio message from The Isle of Wight to Poole. Later he sends a message across the Atlantic – long distance radio transmission also came up with Marconi’s law – relation between length of antennas and maximum signalling distanceДобавлено на ленту времени:
Дата:
1 янв 1897 г.
1 янв 1897 г.
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