The Ultra Secret

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Brand: Dell
SKU: DADAX0440190614
ISBN : 0440190614

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Operation Ultra was designed to intercept and decode German signals sent using Enigma, the top-secret German cypher machine. F.W. Winterbotham, was the man responsible for the organization, distribution and security of Ultra. This is his personal account of the operation.
Author : F. W. Winterbotham
ISBN : 0440190614
Language : English
No of Pages : 286
Edition : Reissue
Publication Date : 8/15/1975
Format/Binding : Mass Market Paperback
Book dimensions : 6.8x4.1x0.9

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