It was formidable, and it was deadly. The nazi Enigma cipher machine, or rather the code that came from it would also have remained indeterminable had an operator not made a very simple error. In this collection of several dozen papers on the machine and its implications in a variety of disciplines, ranging from history to memoir and even foreign r

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Brian J. Winkel, Cipher Deavors, David Kahn, and Louis Kruth are world-renowned cryptology experts and on the editorial board of CRYPTOLOGIA - a unique, scholarly journal devoted to all aspects of cryptology.

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We have been in the bookselling business for over 25 years and have collected for over 50 years. We frequently are called on to do appraisals - institutional and private libraries - and give talks all over the country on collecting for pleasure and profit to civic groups, art leagues, historical societies, etc.

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Brian J. Winkel; Cipher Deavors; David Kahn

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