File Title Turkish Cyphers
Reference FO 1093/316
Date 12 November 1940 - 16 May 1941
Government Department Foreign Office
File Accession Date 23 May 2013


A file of reports, memoranda, and correspondence concerning the security of Turkish cyphers. The documents discuss suspicions that the Turkish cyphers had been broken by the Germans and the Russians, and debate whether the British should offer assistance with constructing a new cypher system.

Document Title Date
i Front Cover Download PDF (126 KB)
1st Turkish Cyphers Download PDF (2.52 MB)
ii Back Cover Download PDF (115 KB)
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