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23 Apr 1894 Jahr - Spark transmitter invented

Beschreibung:

Guglielmo Marconi invented the spark transmitter and obtained the first patent for a radio device (Omaha World Herald, 1897; Buckland & Dye, 1991).

Zugefügt zum Band der Zeit:

History of Distance Learning

ByAndrew Harned
27 Okt 2018

Datum:

23 Apr 1894 Jahr
Jetzt
~ 130 years ago

Abbildungen:

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