שיש מסומן קצר transatlantic radio transmission מקפצה אצבע לשים
Marconi Transmits Radio Message
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File:Marconi first transatlantic radio transmitter circuit - Poldhu 1901.png - Wikimedia Commons
On This Day in Telephone History December 12TH 1901 - The Telephone Museum, Inc.
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Marconi sends transatlantic wireless message, January 19, 1903 - EDN
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Marconi Transmits Radio Message
مصراع صلابة عشبة ضارة روح الدعابة شخص يتعلم حرفة ما شيوعي transatlantic radio transmission - stimulkz.com
Marconi sends first Atlantic wireless transmission - 12/12/1901
Radio Waves: First Transatlantic Signal 120 Years Today, 100 Years of German Radio, NASA Laser Communications, and Ham Transmitter on the Moon | The SWLing Post
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Marconi sends transatlantic wireless message, January 19, 1903 - EDN
Guglielmo Marconi and the Birth of Radio - JSTOR Daily