Catalogue description Solution of German Teleprinter Cyphers (Testery) Linguistic Methods

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Details of HW 25/28
Reference: HW 25/28
Description:

Solution of German Teleprinter Cyphers (Testery) Linguistic Methods
Date: 1941 May 01 - 1945 Sep 30
Held by: The National Archives, Kew
Former reference in its original department: CCR 105(1)
Legal status: Public Record(s)
Closure status: Open Document, Open Description
Access conditions: Retained Until 2018
Record opening date: 03 August 2018

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