Piece
Accessions administration: HW 25
Catalogue reference: PRO 57/15756
Date: 1999 Jan 1 - 2004 Dec 31
Accessions administration: HW 25
Piece
Mathematical theory of ENIGMA machine by Alan Mathison Turing. (1) Also known as...
Catalogue reference: HW 25/3
What’s it about?
This record is about the Mathematical theory of ENIGMA machine by Alan Mathison Turing. (1) Also known as... dating from 1939 Jan 01 - 1942 Dec 31 in the series Government Code and Cypher School: Cryptographic Studies. It is held at The National Archives, Kew.
Is it available online?
Yes, this record is available online and can be downloaded. How to view it.
Can I see it in person?
No, this record is not available to see in person at The National Archives. Other ways to view it.
Full description and record details
-
Reference (The unique identifier to the record described, used to order and refer to it)
-
HW 25/3
-
Date (When the record was created)
-
1939 Jan 01 - 1942 Dec 31
-
Description (What the record is about)
- Mathematical theory of ENIGMA machine by Alan Mathison Turing. (1) Also known as 'Prof's book'. (2) Pages 8, 124-128 and 131 are missing. (3) A comment dated 8 Feb 1978 is attached to Page 143.
-
Note (Additional information about the record)
-
(1) Also known as 'Prof's book'. (2) Page 131 is missing. (3) A comment dated 8 Feb 1978 is attached to Page 143.
-
Held by (Who holds the record)
- The National Archives, Kew
-
Former department reference (Former identifier given by the originating creator)
-
CCR 102
-
Legal status (A note as to whether the record being described is a Public Record or not)
-
Public Record(s)
-
Closure status (Whether the record is ‘open’ (available to the public) or ‘closed’ (not available due to a legal exemption))
-
Open Document, Open Description
-
Record URL
- https://beta.nationalarchives.gov.uk/catalogue/id/C6136633/
How to order it
- View this record page in our current catalogue
- Check viewing and downloading options
- Select an option and follow instructions
Series information
HW 25
Government Code and Cypher School: Cryptographic Studies
See the series level description for more information about this record.
Catalogue hierarchy
Over 27 million records
This record is held at The National Archives, Kew
17,110 records
Within the department: HW
Records created or inherited by Government Communications Headquarters (GCHQ)
42 records
Within the series: HW 25
Government Code and Cypher School: Cryptographic Studies
You are currently looking at the piece: HW 25/3
Mathematical theory of ENIGMA machine by Alan Mathison Turing. (1) Also known as...
Related records
Records that share similar topics with this record.