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Piece
Clarke's work on Italian cypher systems in GCCS, including actual codes and decrypts;...
Catalogue reference: HW 3/19
What’s it about?
This record is about the Clarke's work on Italian cypher systems in GCCS, including actual codes and decrypts;... dating from 1937-1945 in the series Government Code and Cypher School and predecessors: Personal Papers, Unofficial Histories,.... It is held at The National Archives, Kew.
Is it available online?
No, this record is not available online. However, you can order a copy. Other ways to view it.
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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 3/19
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Date (When the record was created)
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1937-1945
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Description (What the record is about)
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Clarke's work on Italian cypher systems in GCCS, including actual codes and decrypts; report of 1 Aug 1941 from Lt Cdr Murray of the Middle East Section in Alexandria on work done there on Italian submarine messages Aug 1940-Apr1941
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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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Record URL
- https://beta.nationalarchives.gov.uk/catalogue/id/C2228127/
How to order it
- View this record page in our current catalogue
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Series information
HW 3
Government Code and Cypher School and predecessors: Personal Papers, Unofficial Histories,...
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)
195 records
Within the series: HW 3
Government Code and Cypher School and predecessors: Personal Papers, Unofficial Histories,...
You are currently looking at the piece: HW 3/19
Clarke's work on Italian cypher systems in GCCS, including actual codes and decrypts;...
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