HMS Irresistible (1898) 12-inch Turrets, Guns and Mounts Inboard Profile

HMS Irresistible (1898) was the second of three Formidable class pre-dreadnought class ships built in the late 1890s. Outclassed by newer ships at the outbreak of the First World War, she was used to shell defenses of Dardanelles Straits that separate the Mediterranean and Black Seas. In March of 1915 she struck a mine, which ultimately lead to her sinking with approximately 150 of her crew.