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More about the book
Operation Ultra was designed to intercept & decode German signals sent using Enigma, the top-secret German cypher machine. F.W. Winterbotham, was the man responsible for the organization, distribution & security of Ultra. This is his personal account of the operation.
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Book purchase
The Ultra Secret, Frederick W. Winterbotham
- Language
- Released
- 1975
- product-detail.submit-box.info.binding
- (Paperback),
- Book condition
- Damaged
- Price
- €4.04
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