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
Notes on BOMBEs: policy, production, availability and statistics, assembled by the...
Catalogue reference: HW 25/21
What’s it about?
This record is about the Notes on BOMBEs: policy, production, availability and statistics, assembled by the... dating from 1939 Nov 01-1950 Jun 20 in the series Government Code and Cypher School: Cryptographic Studies. 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 25/21
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Date (When the record was created)
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1939 Nov 01-1950 Jun 20
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Description (What the record is about)
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Notes on BOMBEs: policy, production, availability and statistics, assembled by the Historical Section, GC & CS in 1950
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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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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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- Topics
- Intelligence
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Record URL
- https://beta.nationalarchives.gov.uk/catalogue/id/C11034959/
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- View this record page in our current catalogue
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Series information
HW 25
Government Code and Cypher School: Cryptographic Studies
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)
42 records
Within the series: HW 25
Government Code and Cypher School: Cryptographic Studies
You are currently looking at the piece: HW 25/21
Notes on BOMBEs: policy, production, availability and statistics, assembled by the...
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