{"product_id":"ultra-goes-to-war-15306","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 Arrow Books\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eYear published:\u003c\/strong\u003e 1980\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePagination:\u003c\/strong\u003e 398pp illustrations\u003c\/p\u003e\u003chr\u003e\u003cbr\u003eMass market paperback. Pages browning.Creasing on covers. Good The 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 Liason Units.","brand":"Military History Books","offers":[{"title":"Default Title","offer_id":67669061435691,"sku":"15306","price":3.0,"currency_code":"GBP","in_stock":true}],"url":"https:\/\/militaryhistorybooks.com\/products\/ultra-goes-to-war-15306","provider":"Military History Books","version":"1.0","type":"link"}