TYRRELL, Engineer Cdr Edward, RN ([1912]-1994)
TYRRELL, Engineer Cdr Edward, RN ([1912]-1994)
RUMP, Capt Robert Hugh, RN (1901-1992)
RUMP, Capt Robert Hugh, RN (1901-1992)
DUCKWORTH, Capt Ralph Campbell Musbury RN (1907-1983)
DUCKWORTH, Capt Ralph Campbell Musbury RN (1907-1983)
CURREY, Adm Bernard (1862-1936)
CURREY, Adm Bernard (1862-1936)
BROOKE-POPHAM, ACM Sir Robert (1878-1953)
BRITISH NAVAL OPERATIONS IN THE ANTARCTIC, 1953: letter re cryptography
BRITISH NAVAL OPERATIONS IN THE ANTARCTIC, 1953: letter re cryptography
