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Actions	Details Remove from selection Add to selection Title Message switching 600 ADX System Reference NAEST 176/4/37 Date 1972 Scope and Content Copy of article by D Sharp and S G Beale, ITT Business Systems Group, published in Electrical Communications. Physical description Number of pieces: 1, Pages/folios: 6 Language English. Persons keyword Sharp D, Beale Stan 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 file 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 NAEST 176/4/37 Message switching 600 ADX System

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Title
Message switching 600 ADX System
Reference
NAEST 176/4/37
Date
1972
Scope and Content
Copy of article by D Sharp and S G Beale, ITT Business Systems Group, published in Electrical Communications.
Physical description
Number of pieces: 1, Pages/folios: 6
Language
English.
Persons keyword
Sharp D, Beale Stan
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
file

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