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23 avr. 1894 - Spark transmitter invented

Description:

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

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History of Distance Learning

ByAndrew Harned

27 oct. 2018

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492

Date:

23 avr. 1894

Maintenaint

~ Il y a 131 ans

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