About this Item
This copy is in new, unmarked condition bound in black cloth covered boards with bright gilt titling to the spine. This copy is bright, tight, white and square. There is a handsome bookplate to the front paste down. The unclipped dust wrapper is in new condition. International postal rates are calculated on a book weighing 1 Kilo, in cases where the book weighs more than 1 Kilo increased postal rates will be quoted, where the book weighs less then postage will be reduced accordingly. The year is early 1941, and the Battle of Britain is intensifying. The Kriegsmarine submarines, organized in groups - wolfpacks - are trying to cut the life-line the British defense depends on - the convoys which supply Britain with food, military supplies and raw materials. And they are pretty much successful in it, sinking more ships each month than Britain and United States can build. Meanwhile, a group of mathematicians, linguists and other odd characters located a top-secret base in Bletchley Park, Buckinghamshire, is trying in frenzy to decode the German naval code, Enigma. David Kahn has produced a well researched and clearly written book on this segment of naval history, which has long remained classified. The story of Enigma is traced from the Arthur Scherbius's design, through the first successful decoding made by Marian Rejewski's group in Poland, and finally to Alan Turing and the Hut 8 staff in Bletchley Park. Ref PPP 4. Seller Inventory # 029565
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