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jun 20, 1889 - Изобретение
Description:
Прибор А. С. Попова возник из установки для учебной демонстрации опытов Герца, построенной А. С. Поповым с учебными целями ещё в 1889 году; вибратор Герца служил учёному передатчиком.
Added to timeline:
Биография Александра Степановича Попова
By
Nailya
28 Nov 2017
0
0
642
Date:
jun 20, 1889
Now
~ 137 years ago
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