Synopsis
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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About the Author
Group Captain Frederick Winterbotham was born in 1897. He was educated at Oxford University and served in the Royal Flying Corps in the First World War. Between 1930 and 1945 he was chief of the Air Department of the Secret Intelligence Service. Throughout the war he was based at Bletchley Park, and he was awarded the CBE in 1943. He died in 1990.
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The Ultra Secret
Seller: Once Upon A Time Books, Siloam Springs, AR, U.S.A.
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Paperback. Condition: Acceptable. This is a used book. It may contain highlighting/underlining and/or the book may show heavier signs of wear . It may also be ex-library or without dustjacket. This is a used book. It may contain highlighting/underlining and/or the book may show heavier signs of wear . It may also be ex-library or without dustjacket. Seller Inventory # mon0003509440
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The Ultra Secret
Seller: ThriftBooks-Atlanta, AUSTELL, GA, U.S.A.
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Paperback. Condition: Fair. No Jacket. Former library book; Readable copy. Pages may have considerable notes/highlighting. ~ ThriftBooks: Read More, Spend Less. Seller Inventory # G044009061XI5N10
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The Ultra Secret
Seller: ThriftBooks-Dallas, Dallas, TX, U.S.A.
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Paperback. Condition: Fair. No Jacket. Readable copy. Pages may have considerable notes/highlighting. ~ ThriftBooks: Read More, Spend Less. Seller Inventory # G044009061XI5N00
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The Ultra Secret
Seller: ThriftBooks-Atlanta, AUSTELL, GA, U.S.A.
Seller rating 5 out of 5 stars
Paperback. Condition: Fair. No Jacket. Readable copy. Pages may have considerable notes/highlighting. ~ ThriftBooks: Read More, Spend Less. Seller Inventory # G044009061XI5N00
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The Ultra Secret
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Paperback. Condition: Very Good. No Jacket. Covers show wear and scuffing. All pages intact, binding is sound. Clean and unmarked. This book shows minimal sign of wear to the cover, binding, or pages. No dust jacket included with this book. Secure packaging for safe delivery. Seller Inventory # 1880465891