Show r Ancient Artillery 11 The Tho cast ron iron and smooth bore guns l with which our ships and coast deo defences de de- r t I I 1 o rA cs O Guts fences were almost exclusively armed twenty years ago only differed from those which armed the Spanish Armada Arma Arma- da or those with which Nelsons Nelson's ships r whipped th the French by being larger i and somewhat stronger The latter advantage was obtained by a better distribution of the metal to withstand 1 the firing tiring strains and by the superior rI 1 I quality of American cast Iron |