The term "Amiraty Factory" likely refers to the Royal Navy Torpedo Factory (RNTF) which was initially located in Greenock, Scotland, and later moved to Alexandria, Dunbartonshire. The RNTF was responsible for the design and production of torpedoes for the Royal Navy. The factory expanded significantly during World War II to meet wartime demands, with a separate entity, the Torpedo Experimental Establishment (TEE), established at the same site to focus on development.