BRITISH NAVAL OPERATIONS IN THE ANTARCTIC, 1953: letter re cryptography
- MISC16
- Collection
- 1953
Copy of typescript letter sent by Sir John Gerald Lang, Permanent Secretary of the Admiralty, to V Adm Sir William Gerrard Andrewes, Commander in Chief, America and West Indies Station, regarding the efficiency of the cryptographic staffs of HMS SUPERB and HMS SNIPE during naval operations in the Antarctic, 13 Apr 1953