Enigma U-Boat : Breaking the Code-The True Story

by Showell, Jak P. Mallmann

• ISBN13: 9781557502025
• ISBN10: 1557502021
• Format: Hardcover
• Copyright: 2000-08-01
• Publisher: Naval Inst Pr

Table of Contents

Acknowledgements	4	(1)
Enigma --- The Impenetrable Puzzle	5	(9)
The German Radio System	14	(19)
The First Naval Enigma Wheels --- The Sinking of U33	33	(11)
Weather Ships for Bletchley Park	44	(7)
U-boats at Sea	51	(13)
The Secret Capture	64	(16)
U110 --- The Victim	64	(6)
Lemp's State of Mind	70	(1)
The Convoy System in Early 1941	71	(1)
Convoy OB318	72	(1)
The Day of the Capture	73	(7)
The Surrender of U570	80	(8)
Shark --- The Four-wheel Enigma Code	88	(8)
Boarding U559	88	(5)
The Dive	93	(3)
Stranded in Africa	96	(3)
The Capture of U505	99	(7)
Other Secret Captures?	106	(9)
Secrets from U49	106	(2)
The Bizarre End of U501	108	(1)
The Loss of U175	108	(3)
The Prolonged Hunt for U744	111	(4)
The Sinking and Raising of U250	115	(5)
Salvaging Secrets	120	(3)
U1024 --- The Last Capture	123	(6)
Bletchley Park and the British Side	129	(13)
The Enigma Machine	142	(44)
Appendices
I. Grabbing the Enigma, Occasions Where Allied Forces Boarded German Vessels	145	(2)
II. Captured U-boats	147	(37)
The U-boats, Their Types, Launching Dates and Builders	147	(1)
Technical Data	148	(1)
Displacement	149	(1)
Speed and Radius of Action	149	(1)
Armaments	149	(1)
Torpedoes and Mines	149	(1)
Artillery	149	(1)
Complement	150	(1)
The Internal Layout	150	(34)
III. Weather Trawlers	184	(1)
IV. Types of Convoy Escorts	185	(1)
V. The Ireland Letter Code	185	(1)
Further Reading	186	(3)
Index	189