Room 40: German Naval Warfare 1914-1918. Vol. I, Fleet in Action

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A top secret intelligence analysis written 1919-1920 by the members of Room 40, the British deciphering unit in the Admiralty, never published before. It's a history of the decryption of German naval and diplomatic messages in World War I, about German Uboat warfare and High Sea Fleet actions including the Battle of Jutland 1916.

  • Language : English
  • Hardcover : 486 pages
  • ISBN-10 : 3902433760
  • ISBN-13 : 978-3902433763

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