Sandia National Labs on Twitter: "Born #OnThisDay in 1890, #engineer Edwin Armstrong, whose invention of FM radio revolutionized broadcasting 📻 https://t.co/SF2hDSU88l via @Columbia https://t.co/niWpQOvcpG" / Twitter
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
Edwin H. Armstrong House - National Historic Landmarks (U.S. National Park Service)
Telefunken Opus 6 HiFi Radio System Licensed by Armstrong Amplifier West Germany | eBay
Museum of Broadcast Communications on Twitter: "Back in 1912, Edwin Howard Armstrong invented Frequency Modulation. Known as FM, this brought high fidelity sound to radio and became the industry standard for music
Vintage Zenith Bakelite Table Radio G725 AM/FM Armstrong System Powers On | eBay
Biography of Edwin H Armstrong -- FM Radio Pioneer
Edwin Howard Armstrong - Wikipedia
Armstrong X1000B AM Transmitter 1000 Watt - SCMS, Inc
Edwin Howard Armstrong, the “Radio Boy,” and the Creation of FM - News