Development of Communication (second edition)

Duration: 400 ft.

Year Published: 1955

Complete Record: Traces the development of modern methods of communication, including television, teletype, wire-photo, and the germanium transistor. Depicts Morse developing the telegraph by combining earlier inventions of Volta, Watson, and Henry. Recalls Bell’s work on the telephone, Marconi’s discovery of the possibilities of wireless, and DeForest’s work with radio. Portrays modern communications instantaneously connecting the remotest parts of the world. Fat walking/globes spinning/ telegraph/ Pony express/ graph of battery and transmission wires of telegraph/ telegraphs in use/ railroad/ telephone/poles/ family watching TV

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