Resultados de búsqueda: the hut six story breaking the de gordon welchman

Brand: Classic Crypto Books, 1997-10-19. 2nd. paperback. Used: Good.

paperback. Good. Access codes and supplements are not guaranteed with used items. May be an ex-library book.

McGraw-Hill Companies, The, 1982. Hardcover. Good. Disclaimer:A copy that has been read, but remains in clean condition. All pages are intact, and the cover is intact. The spine may show signs of wear. Pages can include limited notes and highlighting, and the copy can include previous owner inscriptions. The dust jacket is missing. At ThriftBooks, our motto is: Read More, Spend Less.

USA: McGraw - Hill. Very Good in Good dust jacket. 1982. First Edition. Hardcover. 0070691800 . pp. ix, 326. Index. Bibliography. Black and white reproductions of photos. Diagrams. "Now, for the first time, the insider's view of the Enigma story and other clandestine operations is revealed by Gordon Welchman, a top British mathematician who was largely responsible for the crucial achievements at Bletchley Park in the first months of WWII. Goes beyond Bletchley to show how the lessons learned from Germany's errors in using the Enigma codes can - and must - be applied to the use of military communications today." - dust jacket. Book clean, bright and unmarked with very light wear. Moderate wear to dust jacket now preserved in Brodart. A quality copy of this essential cryptographic chronicle. Enser p.75.; 8vo - over 7¾" - 9¾" tall; World War 1939-1945 - cryptography, Secret Service - Great Britain, Personal Narratives, Codes and Ciphers,… Leer más