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The Ultra Secret

The Ultra Secret The Inside Story of Operation Ultra, Bletchley Park and Enigma

Paperback (07 Dec 2000)

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Publisher's Synopsis

Operation Ultra was designed to intercept and decode German signals sent using Enigma, the top-secret German cypher machine. F.W. Winterbotham was responsible for the organization, distribution and security. This is his account of the operation.

Book information

ISBN: 9780752837512
Publisher: ORION
Imprint: Orion Books
Pub date:
DEWEY: 940.548641
DEWEY edition: 21
Number of pages: 224
Weight: 216g
Height: 198mm
Width: 129mm

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