Electronic digital accounting system. c 1960s.

 
Electronic digital accounting system. c 1960s.
4 0 c m
 
33cm
actual image size: 25cm x 32cm

Description

Electronic digital accounting system used at the International Telephone Exchange, Faraday House, London. 'Every time an international telephone call is made from the UK, payment must be made to overseas telephone administrations for the use of their lines. This equipment has been developed by British Telecommunications Research Ltd, a Plesey Group research organisation. It uses magnetic drum stores and is an advanced form of special purpose data-procesing installation, designed to accept a large number of simultaneous data inputs in 'real time'. It is capable of dealing with information from over 2000 sources simultaneously'.

Image Details

Image Ref.
 
10250610

© Daily Herald Archive / National Science & Media Museum / Science & Society Picture Library

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