Item
Appendix F: Mexico City (see HW 15/9-12 for message texts)
Catalogue reference: HW 15/60/6
Date: 1940-1948
Appendix F: Mexico City (see HW 15/9-12 for message texts)
Piece
Minutes of monthly cypher production meetings held by L Department (the Cypher Security...
Catalogue reference: HW 9/5
What’s it about?
This record is about the Minutes of monthly cypher production meetings held by L Department (the Cypher Security... dating from 1954 Dec-1960 Jan in the series Government Communications Headquarters: Communications-Electronic Security Group,.... It is held at The National Archives, Kew.
Is it available online?
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Full description and record details
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Reference (The unique identifier to the record described, used to order and refer to it)
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HW 9/5
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Date (When the record was created)
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1954 Dec-1960 Jan
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Description (What the record is about)
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Minutes of monthly cypher production meetings held by L Department (the Cypher Security Group)
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Held by (Who holds the record)
- The National Archives, Kew
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Former department reference (Former identifier given by the originating creator)
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L 24(E) Pt 2
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Legal status (A note as to whether the record being described is a Public Record or not)
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Public Record(s)
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Closure status (Whether the record is ‘open’ (available to the public) or ‘closed’ (not available due to a legal exemption))
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Open Document, Open Description
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Record URL
- https://beta.nationalarchives.gov.uk/catalogue/id/C3159577/
How to order it
- View this record page in our current catalogue
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Series information
HW 9
Government Communications Headquarters: Communications-Electronic Security Group,...
See the series level description for more information about this record.
Catalogue hierarchy
Over 27 million records
This record is held at The National Archives, Kew
17,110 records
Within the department: HW
Records created or inherited by Government Communications Headquarters (GCHQ)
53 records
Within the series: HW 9
Government Communications Headquarters: Communications-Electronic Security Group,...
You are currently looking at the piece: HW 9/5
Minutes of monthly cypher production meetings held by L Department (the Cypher Security...
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