Development of Communications
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Traces the development of modern methods of communication, including the telegraph, telephone, wireless, and radio. Depicts Morse developing the telegraph by combining the earlier inventions of Volta, Watson, and Henry. Recalls Bell's work on the telephone, and shows Marconi discovering the possibilities of the wireless and DeForest, those of radio. Illustrates the latest developments of wirephoto relay, television, radar and the transistor.
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- 16mm Filmography (legacy record) — title, year, creator, length, format, color, description, catalog record
Original permalink · Record added 2024-04-22 15:10:46