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21h 3min, jan 1, 1859 y - Немецкий физик Беренд Феддерсен экспериментально доказал, что разряды лейденских банок запускают эфирные колебательные процессы

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История развития радио

ByВладимир
3 Dec 2017
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21h 3min, jan 1, 1859 y
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~ 166 years ago
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