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Top secret ultra / Peter Calvocoressi.


1st American ed.. New York : Pantheon Books, [1980] .
ISBN 9780394511542, 0394511549

Location Call Number Status Consortium Loan
George Washington
Gelman stacks
D 810 .C88 C34 1980 (show me on map) Available Request
American
LIB stacks
D810.C88 C34 Available Request
Gallaudet
UNIV General stacks
940.5486 C34t, 1980 Available Request
Georgetown
Lauinger stacks
D810.C88 C34 1980 Available Request
Howard
Founders Library stacks
D810 C88 C34 1980 Available Request
Founders Library stacks
D810 C88 C34 1980 Available Request
Subjects Calvocoressi, Peter.
Cryptography.
Great Britain.
Guerre mondiale, 1939-1945 -- Cryptographie.
Guerre mondiale, 1939-1945 -- Récits personnels britanniques.
Guerre mondiale, 1939-1945 -- Service secret -- Grande-Bretagne.
Secret service.
World War, 1939-1945 -- Cryptography.
World War, 1939-1945 -- Personal narratives, British.
World War, 1939-1945 -- Secret service -- Great Britain.
Description 132 pages, [8] leaves of plates : illustrations ; 22 cm
Copyright Date [1980]
©1980
Notes Includes index.
Summary Bletchley Park, a modest estate some fifty miles northwest of London, was the site of one of the closest-held and longest-kept secrets of World War II. Most Secret Ultra, renamed Top Secret Ultra when America joined the venture, conveyed a staggering amount of intelligence on enemy movements and intentions to Allied field commanders. This was obtained by steady monitoring of German radio transmissions, and was made possible by a major feat in scientific detection: the breaking of the German Enigma machine ciphers."--Book Jacket.
Contents Foreword -- Bletchley Park -- The Enigma Machine and the Poles -- Three Stages to Daylight -- The Uses of Ultra -- A Verdict -- Appendix One: Note on Documents -- Appendix Two: Strength Returns by German Units.
Genre Personal narratives
Geographic Area Great Britain
Network Numbers (OCoLC)6420694
(OCoLC)ocm06420694
WorldCat Search OCLC WorldCat
WorldCat Identities Calvocoressi, Peter.
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