Author: BRIGGS, ASA (1921-2016)
Title: Secret days : code-breaking in Bletchley Park / Asa Briggs
Description: London : Frontline Books 2011. First Edition. Fine cloth copy in a very good. slightly edge-nicked and dust-dulled dust wrapper. now mylar-sleeved. Remains particularly and surprisingly well-preserved; tight. bright. clean. and sharp-cornered. Physical description; xix. 202 p. [26] p. of plates : ill. (some col.). plan. ports. (some col.) ; 24 cm. Subjects; Briggs. Asa 1921-2016. Headquarters — History. Great Britain. Government Code and Cypher School — History. Bletchley Park National Codes Centre — History. Weight in Kg appr.:

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