Communication : Messengers, Morse Code, and Modems

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Discusses the development of various means of communication, from the printed word through telegraph and telephone to radio, television, and computers, examining the technology that has made communicating easier.
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Product details

  • 12-17
  • Hardback | 48 pages
  • 212 x 263 x 11mm | 363g
  • Raintree
  • United States
  • English
  • Illustrations, unspecified
  • 0739801384
  • 9780739801383