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Exchange code translation in a magnetic-drum-controlled electronic telephone exchange

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2 Author(s)

In an electronic telephone exchange to be installed shortly at Highgate Wood a magnetic drum is used to store information relating to the routing of calls through the exchange and the external network. Exchange codes are translated into the appropriate routing instructions by reference to the drum store.

Published in:

Proceedings of the IEE - Part B: Electronic and Communication Engineering  (Volume:107 ,  Issue: 20 )