"BL 6 inch gun Mk XI"@en . "Coast defence gun"@en . "The BL 6 inch Gun Mark XI was a British 50 calibres high-velocity naval gun which was mounted as primary armament on cruisers and secondary armament on pre-dreadnought battleships."@en . . "1950.0"^^ . . . "BL 6 inch Mk XI naval gun"@en . "yes"@en . . . . . "yes"@en . "Naval gun"@en . . . . "@ 22.5\u00B0"@en . "yes"@en . . . "yes"@en . "bore"@en . "The BL 6 inch Gun Mark XI was a British 50 calibres high-velocity naval gun which was mounted as primary armament on cruisers and secondary armament on pre-dreadnought battleships."@en . . "Gunnery exercise on HMAS Melbourne circa. 1913"@en . . . "Lyddite, Armour-piercing, Shrapnel"@en . . "Mk XI"@en .