Outline of Radio - History of Radio

History of Radio

Main article: History of radio
  • Invention of radio
  • Wireless telegraphy
  • Spark-gap transmitter
  • Alexanderson alternator
  • Coherer
  • Continuous wave
  • Crystal radio
  • Vacuum tube
  • Amplitude modulation
  • Old-time radio
  • Radioteletype
  • Timeline of radio

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    Let us not underrate the value of a fact; it will one day flower in a truth. It is astonishing how few facts of importance are added in a century to the natural history of any animal. The natural history of man himself is still being gradually written.
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