Focus on
Olga Gray and the Woolwich Arsenal Spy Ring
In 1938, thanks to years of work by a remarkable female agent, MI5 ensured a package of British defence plans stayed secret.
Piece
Operational History of Hut 3 Intelligence Guidance to Cryptography and Interception....
Catalogue reference: HW 43/68
What’s it about?
This record is about the Operational History of Hut 3 Intelligence Guidance to Cryptography and Interception.... dating from 1940 Jan 01 - 1945 May 08 in the series Government Code and Cypher School: Histories of British Sigint. 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 43/68
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Date (When the record was created)
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1940 Jan 01 - 1945 May 08
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Description (What the record is about)
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Operational History of Hut 3 Intelligence Guidance to Cryptography and Interception. Details of the rationale behind the allocation of ENIGMA decryption priorities during all the major campaigns in World War II (Europe and North Africa). For the Histroy of Hut 3 Volume I, see HW 3/119 and for Volume II, see HW 3/120 and HW 43/64
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Held by (Who holds the record)
- The National Archives, Kew
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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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Access conditions (Information on conditions that restrict or affect access to the record)
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Retained Until 2004
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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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Subjects (Categories and themes found in our collection (our subject list is under development, and some records may have no subjects or fewer than expected))
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Record URL
- https://beta.nationalarchives.gov.uk/catalogue/id/C11202910/
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- View this record page in our current catalogue
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Series information
HW 43
Government Code and Cypher School: Histories of British Sigint
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)
96 records
Within the series: HW 43
Government Code and Cypher School: Histories of British Sigint
You are currently looking at the piece: HW 43/68
Operational History of Hut 3 Intelligence Guidance to Cryptography and Interception....
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