No items
Catalogue description Cryptographic history of work on German Naval ENIGMA by C H O'D Alexander, Imperial...
Ordering and viewing options
This record has not been digitised and cannot be downloaded.
You can order records in advance to be ready for you when you visit Kew.
You will need a reader's ticket to do this.
Or, you can request a quotation for a copy to be sent to you.
| Reference: | HW 25/1 |
|---|---|
| Description: |
Cryptographic history of work on German Naval ENIGMA by C H O'D Alexander, Imperial Defence College |
| Note: | Part III retained by department under Section 3(4) of Public Records Act, 1958 |
| Date: | 1920 Jan 01-1945 Dec 31 |
| Held by: | The National Archives, Kew |
| Former reference in its original department: | CCR 239 |
| Legal status: | Public Record(s) |
| Closure status: | Open Document, Open Description |
Have you found an error with this catalogue description? Let us know
The National Archives
