Record revealed
A dramatic plea for Churchill’s help from Bletchley Park
In 1941, four Government Code and Cypher School cryptanalysts, including Alan Turing, made a stunning appeal directly to Winston Churchill.
Piece
Magnesium: correspondence and sources
Catalogue reference: AVIA 46/397
What’s it about?
This record is about the Magnesium: correspondence and sources dating from 1947-1949 in the series Ministry of Supply: Establishment, Registered Files (Series 1). It is held at The National Archives, Kew.
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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)
- AVIA 46/397
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Date (When the record was created)
- 1947-1949
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Description (What the record is about)
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Magnesium: correspondence and sources
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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)
- 1/HIST/1062
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Legal status (A note as to whether the record being described is a Public Record or not)
- 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))
- 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
- Resources
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Record URL
- https://beta.nationalarchives.gov.uk/catalogue/id/C585536/
Series information
AVIA 46
Ministry of Supply: Establishment, Registered Files (Series 1)
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
96,520 records
Within the department: AVIA
Records created or inherited by the Ministry of Aviation and successors, the Air...
554 records
Within the series: AVIA 46
Ministry of Supply: Establishment, Registered Files (Series 1)
You are currently looking at the piece: AVIA 46/397
Magnesium: correspondence and sources
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