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• n  a bell activated by the magnetic effect of an electric current

News & Articles

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• When The Doorbell Rings, Americans Want X-ray Vision
  BEAVERTON, Ore., July 16, 2013 /PRNewswire/ -- Since the invention of the electric bell ringer in 1831, Americans have relished the benefits of the ever-present doorbell to let them know someone's calling. ...
  July 16, 2013 - PR Newswire via Yahoo! Finance