Compromising of certain letter groups of Indian Foreign Office Cypher 1929. Question of using 5 or 10 letter groups in cypher telegrams

Keywords London
Department of Industries and Labour
C.W.E. Cotton
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_000006080776
File No./Reference No./Sheet No./Folio No. File No. 190-A
Location Repository-3
Part No. NA
File Size 88.4 MB
Pages 57
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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