TELEPHONE EXCHANGE 1929
London's new Automatic Telephone Exchange, showing the manual board through which ordinary subscribers were connected to the automatic system, without an operator
Picture No
14098726
Media ID
45172603
Size
5922px x 4246px
(2.8MB)
Credit
Mary Evans Picture Library
Source
Unattributed photograph for Barnaby's Studios Ltd
Date
10624
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Automatic Connected Exchanges Flooring Operator Ordinary Parque Subscribers
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