These papers consist of standing orders and routines for some of the ships in which Captain Oliver-Bellasis served. There are also papers for a course at the Royal Naval College in 1936 and for a damage control course in 1943.

Administrative / biographical background
Oliver-Bellasis entered the Navy in 1918. He became a lieutenant in 1920 and specialized in torpedoes. He was promoted to lieutenant-commander in 1928 and commander in 1933. From 1932 to 1934 he served in the RENOWN, Home Fleet, and, after a spell at the Admiralty, was in the EAGLE, China Station, 1937 to 1939. During the Second World War, Oliver-Bellasis held both posts ashore and at sea, being promoted to captain in 1941. He was Director of Underwater Weapons from 1947 to 1950 and retired in 1953.