Destruction of copies of Foreign Office Cypher K-1923 and its recyphering tables K-3 and K-4. Introduction of Foreign Office Cypher K-1925 with its recyphering tables K-5 to K-15

Keywords London
J.C. Walton
Foreign Office Cypher
Ministry/ Department/ Residency Foreign and Political
Branch Cypher Confidential
From Year / Date
(YYYY-MM-DD)
1926
To Year / Date
(YYYY-MM-DD)
1926
Source Organization NA
Identifier PR_000004050875
File No./Reference No./Sheet No./Folio No. 44
Location Repository-3
Part No. NA
File Size 105.1 MB
Pages 64
Collection Digitized Public Records
Foreign and Political
Call Number NA
Publisher NA
Subject NA
Creator NA
Accession Number NA
Series NA
Year of Publication NA
Language English
Bundle Barcode NA
Location Code NA
File Barcode NA
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