Seizing the Enigma (61 page)

“banburismus” method and,
166
–
168

in bombe technique,
112
–
116

in Enigma machine,
36
–
38
,
49
–
50

Polish work with,
81
–
82

setting choices,
241

thin,
244

from U-33,
128
–
129

Rotter, J. E.,
26
,
27

Rottmann, Heinz,
121
,
126
–
127

Royal Oak
(ship),
123
,
232

Rôzycki, Jerzy,
80
–
82
,
135

Ruckhaber, Dr.,
48

Sachsen
(ship),
176

Safeguards,
241

Salamis,
256

Sallenger, Asbury H.,
318
–
319

Sandwith, Humphrey,
92

Saunders, M. G.,
102

SC 127 convoy,
288
–
301

Schaerf, Henry,
62

Scharnhorst
(ship),
142
–
145
,
248

Schendel, Rudolf,
279

Scherbius, Arthur,
35
–
36
,
39
–
40
,
47

Schleswig-Holstein
(ship),
103

Schmaland, Radioman 1st Class,
52
–
53

Schmidt, Hans-Thilo,
65
–
68

Schmidt, Rudolf,
46
,
66
–
67
,
86
–
87

Schnee, Adalbert,
14

Scuttling, of
Magdeburg
,
21
–
23

SEALION operation,
176

Section D,
65

Section d’Examen
,
106

Seefalke
(ship),
232

SHARK key,
265
–
266

Short Signal Cipher,
337

Short transmissions,
230

Short Weather Cipher,
48
,
177
–
179
,
264
,
337

Signal Security Detachments,
275

“Sillies,”
131
–
132

Sinclair, Hugh (Quex),
95
–
97
,
102
–
103

Sinkings, due to U-boats,
6
,
288
–
289

Skipwith, Lionel P.,
203
–
208
,
210
–
212

Smirnov, Mikhail I.,
24

Smith-Hutton, Henri H.,
285

Somali
(destroyer),
150
–
160

Spanish civil war,
100

SPITFIRE bombe,
271

Stallmann, Rudolf.
See
Lemoine, Rodolphe

Stapler, Charles R.,
319
–
320

Star of Suez
(ship),
279

Stein, Karl,
240

Stewart, Mortimer,
275

Strachey, Lytton,
29
,
95

Strait of Gibraltar,
256

Stuart-Menteth, Henry A.,
155

Stummel, Ludwig,
233
,
240
,
306
–
307

Submarines, German

addressing of,
237

Asdic system for,
4

attitudes towards,
122

convoy contact reports,
230

direction-finding for,
250
–
252

losses to,
213

meeting points,
237
–
238

message types,
230

radar for,
4

radio cipher conversation,
230

radio intelligence for,
4

radioman on,
229

sending messages to,
227
–
231

short transmissions,
230

sinkings due to,
6
,
288
–
289

tankers,
311
–
322

ULTRA and,
321
–
329

Substitution book FLUSS,
238

Suez Canal,
255
,
259

Sunfish
(submarine),
153

Superimposition,
46

Szillat, Radioman 2nd Class,
22

Tankers,
311
–
322

Tartar
(destroyer),
203
–
212

Task Unit 4.1.7,
222
–
225

“Teleprincesses,”
274

Theseus
(ship),
24

Thin rotors,
244

Thornton, Mark,
258
–
262
,
264

Thring, Ernest W. C,
170
–
171

TINA transmitter identification,
269

Tirpitz
(battleship),
248

TITMOUSE,
292

Trade Movements Section,
290

Trafalgar, Battle of,
217
–
218

Traffic pattern analysis,
114
–
115

Traffic volume dangers,
243
–
244

Tranow, Wilhelm,
245
–
248

Transatlantic convoy system,
2
–
3

Transmitter identification TINA,
269

Travis, Edward,
115
–
116
,
215

Tribal class destroyers,
150
–
151

TRITON cipher,
216

Tukhachevsky, Mikhail N.,
58

Turing, Alan,
107
–
117
,
162
,
216

Türkel, Siegfried,
43

Twinn, Peter,
109

U-boats

addressing of,
237

Asdic system for,
4

attitudes towards,
122

convoy contact reports,
230

direction-finding for,
250
–
252

losses to,
213

meeting points,
237
–
238

message types,
230

radar for,
4

radio cipher conversation,
230

radio intelligence for,
4

radioman on,
229

sending messages to,
227
–
231

short transmissions,
230

sinkings due to,
6
,
288
–
289

tankers,
311
–
322

ULTRA and,
321
–
329

ULTRA,
321
–
329

United States,
275
–
285

U-30 submarine,
10

U-33 submarine,
121
–
129
,
233

U-47 submarine,
232

U-66 submarine,
314
–
322

U-94 submarine,
8
–
9

U-110 submarine,
1
,
10
–
16
,
189
–
198

U-117 submarine,
314
–
315
,
317
–
318

U-306 submarine,
297

U-559 submarine,
255
–
266

U-570 submarine,
239
–
240

Van den Donker, W,
291

Vietor, Karl,
127

Vitamin A,
152

V-weapons,
325

Warmington, Marshall George Clitheroe,
149
–
160
,
184
–
186

Water-soluble ink,
53
–
54

Wavendon Manor,
270

WAVES (Women Accepted for Volunteer Emergency Service),
280
–
282

Weather cipher,
220
–
222

Weather information,
175
–
183

Weeks, Robert,
276

Welchman, Gordon,
113
–
116
,
132
–
133
,
215
–
217

Wiggeshof, Heinrich,
180
–
181
,
184
–
185

Wilde, Heinz,
12
–
13
,
189
–
190

Wileman, Claude,
194

Wilson, H.J.,
146

Wilson, Hugh R,
209
–
211

Winn, Rodger,
171
–
173
,
223

Women

as bombe tenders,
271

in direction-finding tracking,
251

at GC&CS,
163
–
164

in WAVES,
280
–
282

Women Accepted for Volunteer Emergency Service (WAVES),
280
–
282

Women’s Reserve Naval Service,
251
,
271

WOODPECKER,
296
–
297
,
300

Worksheet, Enigma,
332
–
333

World Crisis, The
(Churchill),
44
–
45

Wrens,
251
,
271

Wylie, Shaun,
161
–
162
,
265

Zimmermann telegram,
117

Zygalski, Henryk,
80
–
82
,
85
–
86

Zygalski sheets,
85
–
86
,
90