Edwin Armstrong Biography
He was married to Marion MacInnes. Armstrong was born on December 18 1890 in New York City New York USA as Edwin Howard Armstrong.
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Edwin Armstrong February 18 1890 January 1954 American Engineer Inventor Scientist World Biographical Encyclopedia
Biography Zone Edwin Howard Armstrong Biography Inventor Of Radio Waves
Edwin Howard Armstrong Wikiwand
Edwin H Armstrong American Inventor Britannica
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Man Of High Fidelity Edwin Howard Armstrong A Biography Lawrence Lessing Amazon Com Books
Biography Of Edwin H Armstrong Fm Radio Pioneer
Biography Of Edwin H Armstrong Fm Radio Pioneer