The Legecies of Edwin Howard Armstrong
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The history of Edwin Howard Armstrong, a radio pioneer; invented regenerative circuit, invented superheterodyne circuit making two-way radio possible; invented wide band FM technology; developed with John Bose, FM multiplex transmitting which made radio and television stereo broadcasting possible; the Armstrong Medal.
- Publication Date
- Aug 16, 2010
- All Rights Reserved - Standard Copyright License
- By (author): The Radio Club of America, Inc.
- Interior Color
- Black & White
- US Letter (8.5 x 11 in / 216 x 279 mm)