How the Telephone Works

Name: How the Telephone Works
Director: J.D. Chambers
Genre: Documentary
Released: 1938-06-15T
Duration: 7 min
Rating: 0.0

Movie Information

Experimental animation produced by GPO to explain telephone systems to the public.

Director: J.D. Chambers, Ralph Elton

Years: 1938

Country: United Kingdom

Quality: HD

Production: GPO (General Post Office) Film Unit