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The Story of Communications (Ganeri, Anita, Signs of the Times.)
The Story of Communications - Ganeri, Anita, Signs of the Times. Author:Anita Ganeri Early methods of long-distance communication (such as fire signal, flashing mirrors, semaphore, and African drums), the development of the spoken word, letter writing, telegraph and Morse code, telephone, radio, television, satellites and computers (including the Internet), and possibilities for the future are all considered in this latest volum... more »e in the Signs of the Times series.« less