Speaking from America

Speaking from America (1938)

How long-distance telephone calls are made, from the UK to the USA. We see operators, miles of wires, and the amplification of voice transmitted across the waters. Engineers of the Post Office describe how they are improving the service.

Data di uscita
1938-01-02
TMDB
6.0 / 10 (3)
Durata
11 min
Generi
Documentario
Regista
Humphrey Jennings

Cast

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