U-Boat Hunters: Code Breakers, Divers and the Defeat of the U-Boats, 1914-1918

by Robert Grant and Robert M. Grant

The story of how British naval intelligence was able to break German naval codes in World War I is fully explored by the noted U-boat historian Robert Grant. Examining radio interception records, telegrams, and the records of the Admiralty salvage department, Grant has unearthed an amazing tale of resourcefulness and danger. Along with collecting cipher information from many differing sources, intelligence personnel in Room 40, the nerve center...

• Format: Hardcover
• Language: English
• ISBN: 1591148898
• ISBN13: 9781591148890
• Release Date: March 2004
• Publisher: US Naval Institute Press
• Length: 178 Pages
• Weight: 0.20 lbs.
• Dimensions: 0.7" x 5.6" x 8.7"