Minutes of proceedings of the Royal Artillery Institution (1858)
Great Britain. Army. Royal Artillery Institution · Woolwich, Eng., : The Institution · leaf 78
66 ARMOUR AND ITS ATTACK BY ORDNANCE. 2o01bs., striking velocity 1700 feet, total energy 5008 foot-tons, or 542'5 foot-tons per ton of plate, calculated perforation 14*6 inches of Fig. 14.
Artillery -- Periodicals · Artillery -- Great Britain -- Periodicals
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