{"product_id":"ultra-goes-to-war-15305","title":"ULTRA GOES TO WAR","description":"\u003cp\u003e\u003cstrong\u003eAuthor:\u003c\/strong\u003e Ronald Lewin\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePublisher:\u003c\/strong\u003e Book Club Associates\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eYear published:\u003c\/strong\u003e 1978\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePagination:\u003c\/strong\u003e 397pp. illustrations.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e Prev. owner inscr. on fep. very good in d\/w\u003c\/p\u003e\u003chr\u003e\u003cbr\u003eThe history of Ultra, from the invention of the original Engima coding machine, the Polish pioneering work, and its development by the British at Bletchley Park, Station X, to break the German signals codes in WWII. Lewin bases his research not only on the signals recently released by the Public Records Office (National Archive), but also on interviews with the men and women of Bletchley Park and the Special Liaison Units.","brand":"Military History Books","offers":[{"title":"Default Title","offer_id":67669061370155,"sku":"15305","price":8.0,"currency_code":"GBP","in_stock":true}],"url":"https:\/\/militaryhistorybooks.com\/products\/ultra-goes-to-war-15305","provider":"Military History Books","version":"1.0","type":"link"}