How the Telephone Works

How the Telephone Works

00.
1938-06-15
.
7 min

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

Storyline

Experimental animation produced by GPO to explain telephone systems to the public.
Released
1938-06-15
Runtime
7 min
Budget
$0
Revenue
$0
Language
English
Status
Released
Genre
Documentary
Production
GPO (General Post Office) Film Unit
Directors

CASTS

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