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The BL 4-inch gun Mark VIII〔Mark VIII = Mark 8. Mark XI = Mark 11. Britain used Roman numerals to denote marks (models) of ordnance until after World War II. This was the eighth model of British BL 4-inch gun.〕 was a British medium-velocity wire-wound naval gun introduced in 1908 as an anti-torpedo boat gun in smaller ships whose decks could not support the strain of the heavier and more powerful Mk VII gun.〔 ==Mk VIII History== The gun succeeded the QF 4 inch Mk III, whose shell had been considered insufficiently powerful for its intended role. The BL Mk VIII fired a shell. It armed the following warships : * laid down 1905 * destroyers from (1908) onwards. * of 1909 * s of 1910 * s of 1910 * s (Australia) of 1910. The gun was succeeded in its class from 1911 by the QF 4 inch Mk IV. In World War II many guns were used to arm merchant ships. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「BL 4 inch naval gun Mk VIII」の詳細全文を読む スポンサード リンク
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