Harold 'Doc' Keen and the Bletchley Park BOMBE:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Cleobury Mortimer
M. & M. Baldwin
2012
|
| Ausgabe: | 2. rev. ed. |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | 89 S. Ill. |
| ISBN: | 9780947712488 |
Internformat
MARC
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| 100 | 1 | |a Keen, John |e Verfasser |4 aut | |
| 245 | 1 | 0 | |a Harold 'Doc' Keen and the Bletchley Park BOMBE |
| 250 | |a 2. rev. ed. | ||
| 264 | 1 | |a Cleobury Mortimer |b M. & M. Baldwin |c 2012 | |
| 300 | |a 89 S. |b Ill. | ||
| 336 | |b txt |2 rdacontent | ||
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| 650 | 0 | 7 | |a Zweiter Weltkrieg |0 (DE-588)4079167-1 |2 gnd |9 rswk-swf |
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Datensatz im Suchindex
| _version_ | 1804151633941102592 |
|---|---|
| adam_text | — Contents
Illustrations
...............................
page
6
Preface
......................................7
Acknowledgements
.............................8
Author s Note
.................................8
1
Formative years,
1894 - 1939 ...........9
2
Enigma
...........................16
3
The Polish Codebreakers
..............23
4
Bletchley Park
......................27
5
Doc Keen and CANTAB
...............30
6
The
Bombe
Makers
..................39
7
The Fourth Rotor
....................51
8
Fruits of Toil,
1943 - 1973.............62
Appendix
1:
The Probable Word
...........67
Appendix
2:
The Enigma Era
.............77
Major Published Sources
.................84
Notes
&
References
.....................85
—
Illustrations
—
Photographs
Harold Hall Keen,
СІ939
.....................
page
2
A 3-rotor military Enigma machine
.................18
Enigma rotors on spindle
........................20
The 3-rotor
Bombe
ATLANTA (front)
.................40
The 3-rotor
Bombe
ATLANTA (rear)
.................41
The 4-rotor
Bombe MONS
........................55
Diagrams
Figure
1:
The Enigma rotors (the scrambler)
...........19
Figure
2:
Enigma second key entry
.................21
Figure
3:
A possible double-ended scrambler
..........32
Figure
4:
The CANTAB scrambler
...................33
Figure
5:
The scrambler drive mechanism
............34
Figure
6:
The rotor
.............................34
Figure
7:
The 3-rotor
Bombe test
cycle
...............35
Figure
8:
The 4-rotor scrambler
....................54
Figure
9:
General timings of the 4-rotor
Bombe
........54
Figure
10:
Notation for a closed loop
................68
Figure
11:
The Enigma scrambler closed loop sequence
. .68
Figure
12:
The Turing closed loop test
...............70
Figure
13:
A MENU showing closed loops and letter pairs
.72
Figure
14:
A 3-closed loop configuration
..............73
Figure
15:
The diagonal board
.....................74
Figure
16:
The Welchman
Bombe
...................75
Figure
17:
A MENU for a 4-rotor
Bombe,
1944.........76
6
|
| any_adam_object | 1 |
| author | Keen, John |
| author_facet | Keen, John |
| author_role | aut |
| author_sort | Keen, John |
| author_variant | j k jk |
| building | Verbundindex |
| bvnumber | BV041487432 |
| ctrlnum | (OCoLC)889479827 (DE-599)BVBBV041487432 |
| edition | 2. rev. ed. |
| format | Book |
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| geographic | Bletchley Park Bletchley (DE-588)4358149-3 gnd |
| geographic_facet | Bletchley Park Bletchley |
| id | DE-604.BV041487432 |
| illustrated | Illustrated |
| indexdate | 2024-07-10T00:57:56Z |
| institution | BVB |
| isbn | 9780947712488 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-026933299 |
| oclc_num | 889479827 |
| open_access_boolean | |
| owner | DE-12 |
| owner_facet | DE-12 |
| physical | 89 S. Ill. |
| publishDate | 2012 |
| publishDateSearch | 2012 |
| publishDateSort | 2012 |
| publisher | M. & M. Baldwin |
| record_format | marc |
| spelling | Keen, John Verfasser aut Harold 'Doc' Keen and the Bletchley Park BOMBE 2. rev. ed. Cleobury Mortimer M. & M. Baldwin 2012 89 S. Ill. txt rdacontent n rdamedia nc rdacarrier Keen, Harold Hall 1894-1973 (DE-588)1054709289 gnd rswk-swf Enigma Chiffriermaschine (DE-588)4209290-5 gnd rswk-swf Dechiffrierung (DE-588)4226323-2 gnd rswk-swf Zweiter Weltkrieg (DE-588)4079167-1 gnd rswk-swf Bletchley Park Bletchley (DE-588)4358149-3 gnd rswk-swf Keen, Harold Hall 1894-1973 (DE-588)1054709289 p Bletchley Park Bletchley (DE-588)4358149-3 g Zweiter Weltkrieg (DE-588)4079167-1 s Dechiffrierung (DE-588)4226323-2 s DE-604 Enigma Chiffriermaschine (DE-588)4209290-5 s 1\p DE-604 Digitalisierung BSB Muenchen - ADAM Catalogue Enrichment application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=026933299&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis 1\p cgwrk 20201028 DE-101 https://d-nb.info/provenance/plan#cgwrk |
| spellingShingle | Keen, John Harold 'Doc' Keen and the Bletchley Park BOMBE Keen, Harold Hall 1894-1973 (DE-588)1054709289 gnd Enigma Chiffriermaschine (DE-588)4209290-5 gnd Dechiffrierung (DE-588)4226323-2 gnd Zweiter Weltkrieg (DE-588)4079167-1 gnd |
| subject_GND | (DE-588)1054709289 (DE-588)4209290-5 (DE-588)4226323-2 (DE-588)4079167-1 (DE-588)4358149-3 |
| title | Harold 'Doc' Keen and the Bletchley Park BOMBE |
| title_auth | Harold 'Doc' Keen and the Bletchley Park BOMBE |
| title_exact_search | Harold 'Doc' Keen and the Bletchley Park BOMBE |
| title_full | Harold 'Doc' Keen and the Bletchley Park BOMBE |
| title_fullStr | Harold 'Doc' Keen and the Bletchley Park BOMBE |
| title_full_unstemmed | Harold 'Doc' Keen and the Bletchley Park BOMBE |
| title_short | Harold 'Doc' Keen and the Bletchley Park BOMBE |
| title_sort | harold doc keen and the bletchley park bombe |
| topic | Keen, Harold Hall 1894-1973 (DE-588)1054709289 gnd Enigma Chiffriermaschine (DE-588)4209290-5 gnd Dechiffrierung (DE-588)4226323-2 gnd Zweiter Weltkrieg (DE-588)4079167-1 gnd |
| topic_facet | Keen, Harold Hall 1894-1973 Enigma Chiffriermaschine Dechiffrierung Zweiter Weltkrieg Bletchley Park Bletchley |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=026933299&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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