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How the Telephone Works

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Documentary

Overview

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

Details

Status: Released
Release date: June 15, 1938
Original language: English
Spoken languages: english
Countries: United Kingdom
Production: GPO Film Unit,GPO (General Post Office) Film Unit
Budget: Not recorded
Revenue: Not recorded
IMDb: tt5289684

How the Telephone Works (1938) | Kinocult