The Ultra Secret
Book Details
Author(s)
Frederick William Winterbotham
Publisher
Harper & Row
ISBN / ASIN
0060146788
ISBN-13
9780060146788
Sales Rank
#195,311
Marketplace
United States 🇺🇸
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Description
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.
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