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Invention of radio - Wikipedia
Edwin Howard Armstrong (December 18, 1890 – January 31, 1954) was an American electrical engineer and inventor. He has been called 'the most prolific and influential inventor in radio history'. He invented
File:Crystal radio receiver from wireless era.png - Wikimedia Commons
Unleash The Amateurs: Lessons From The Early Days Of Radio - Make:
A Centennial Celebration of Marconi & RCA Wireless Radio in West Marin, 1914-2014 - Point Reyes National Seashore (U.S. National Park Service)
Eiffel Tower Radio Station, 1914 Canvas Print / Canvas Art by - Fine Art America
File:RB 5877 Tractor radio 1914 137 8752918166 l.jpg - RadioNerds
World War One: How radio crackled into life in conflict - BBC News
The Development of Radio | American Experience | Official Site | PBS