HC Deb 01 June 1949 vol 465 c153W
6. Mr. Carson

asked the Postmaster-General what is the average percentage saving in manpower by converting manual exchanges to the dial system.

Mr. Hobson

It is not possible to give a comprehensive figure because conversion to automatic working has taken place gradually over many years and traffic has been continually increasing. The average saving in operational staff at six large exchanges converted in recent years has been of the order of 50 per cent.

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