Go to MSN Homeencarta®
HomeEncyclopediaDictionariesWorld AtlasStudy CentreQuizzesMore
Related Items   from Encarta  
Amplifier
Armstrong, Edwin Howard
Electron Tube
Electronics
Fluidics
Hearing Aid
Maser
Microphone
Radar
Radio
Sound Recording and Reproduction
Telephone
Television
Transistor
Vacuum Tubes
Armstrong, Edwin Howard
Armstrong, Edwin Howard (1890-1954), American inventor and electrical engineer, who made fundamental contributions to the development of radio...
 View article
© 2008 Microsoft