[Boatanchors] FS: Crypto History Book

[Walter Treftz via Boatanchors]

 Kahn, David (also author of "The Codebreakers"), "Seizing the Enigma: The Race to Break the German U-Boat Codes, 1939-1943". Hard-bound, New (gently read once), 337 pgs including about 50 pgs of bibliography, references, photos, interviews, etc). With cover.     An academic text on the development of the Enigma  and the ULTRA (the WWII project to crack it) used mostly against Allied merchant marine in North Atlantic.A "must read" for all you old PT/IS, ASA, CT/NSG, USAFSS ratings especially if youwere involved with the KL7. Details of both Allied & German D/F procedures.     Price: $15.00 plus postage (half the new price and its only been read once).73Walt (N4GL)