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How the Telephone Works
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Documentary
1938
7 minutes
Experimental animation produced by GPO to explain telephone systems to the public.
Release:
June 15, 1938
Original language:
English
Production country:
United Kingdom
Producer company:
GPO (General Post Office) Film Unit
More information
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Director
J.D. Chambers
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Ralph Elton
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Show crew
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Crew
J.D. Chambers
Director
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Ralph Elton
Director
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