Qustion of substitutions a Mechanical System of Cyphering. Minutes of a Meeting head at the Treasury on the 8th March 1928 by the Inter-departmental Committee on Cypher Machines

Keywords Mr. Wakely's
Air Force
Signal Department
Ministry/ Department/ Residency Foreign and Political
Branch Central Cypher Bureau
From Year / Date
(YYYY-MM-DD)
1931
To Year / Date
(YYYY-MM-DD)
1931
Source Organization NA
Identifier PR_000006079778
File No./Reference No./Sheet No./Folio No. File No. 3A
Location Repository-3
Part No. NA
File Size 35.5 MB
Pages 19
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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