The Ultra Secret (A Contact book) - medicalbooks.filipinodoctors.org

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The Ultra Secret (A Contact book)
Brand: Brand: Futura Publications
Manufacturer: Futura Publications
ISBN 0860072681
EAN: 9780860072683
Category: Paperback (Subjects)
Price: $23.87  (Customer Reviews)
Shipping Wt: 0.35 pounds. FREE Shipping (Details)
Availability: In stock Usually ships within 3 to 4 days.
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Product 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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  • Used Book in Good Condition

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