A film made by the British General Post Office (GPO) in 1933, promoting the automation of telephone exchanges.
Stuart Legg
Director
John Grierson
Producer
Sep 6, 1971
Dec 1, 2013
Sep 22, 2016
Nov 5, 2000
Oct 21, 2015
May 20, 2013
Apr 28, 2019
Dec 13, 2013
GPO Film Unit
GB
United Kingdom
English
