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Actions	Details Remove from selection Add to selection Title Digital Electronic Telegraph Message Switching Systems. Reference UK0108 NAEST 176/4 Date 1956-2004 Scope and Content Research dossier on the development of the digital switching systems STRAD and ADX by Standard Telephones and Cables (STC) between 1956 and 1979. Compiled by H McGregor Ross. Language English. Persons keyword Standard Telephones and Cables, International Telephone and Telegraph Corporation Subject Switching Conditions governing access Several files in this collection are closed. Hugh McGregor Ross dies in Autumn 2014 - so closure period for closed periods should be 40 years from this date i.e. 2054. Closed files include; NAEST 176/01/03/13 NAEST 176/02/12 NAEST 176/03/02 NAEST 176/04/15 NAEST 176/04/21/01 NAEST 176/04/47 NAEST 176/04/52 NAEST 176/04/53 NAEST 176/04/55 Level of description series Hierarchy browser 110000001 NATIONAL ARCHIVE FOR ELECTRICAL SCIENCE AND TECHNOLOGY contains 322 parts UK0108 NAEST 176 McGregor Ross collection on the British computing industry [SOME CLOSED ITEMS] contains 4 parts UK0108 NAEST 176/4 Digital Electronic Telegraph Message Switching Systems. contains 55 parts

Title
Digital Electronic Telegraph Message Switching Systems.
Reference
UK0108 NAEST 176/4
Date
1956-2004
Scope and Content
Research dossier on the development of the digital switching systems STRAD and ADX by Standard Telephones and Cables (STC) between 1956 and 1979. Compiled by H McGregor Ross.
Language
English.
Persons keyword
Standard Telephones and Cables, International Telephone and Telegraph Corporation
Subject
Switching
Conditions governing access
Several files in this collection are closed. Hugh McGregor Ross dies in Autumn 2014 - so closure period for closed periods should be 40 years from this date i.e. 2054. Closed files include; NAEST 176/01/03/13 NAEST 176/02/12 NAEST 176/03/02 NAEST 176/04/15 NAEST 176/04/21/01 NAEST 176/04/47 NAEST 176/04/52 NAEST 176/04/53 NAEST 176/04/55
Level of description
series

Details