1021 - The Coming of the Dial

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1021 - The Coming of the Dial

The film documents and promotes the conversion of London's telephone service from the manual system to the automatic working. After the introduction the film focuses on research work and the testing telephones at Dollis Hill laboratories. It then moves on to the planning of new telephone exchanges for automatic working folowed by engineers working on the installation of Strowger equipment at Farm Street Exchange, London.

Catalogue

Finding Number: BTA-MI1/1021

Date: 1933

Period: 1930s

Level: Item

Distribution: Theatrical distribution

Film function: Informational (public)

Film subject: Telecommunications technology and history

Event documented: Exchange switchover

Year: 1933

Repository: BT Archives (ARCHON 1814)

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1021 - The Coming of the Dial

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