lerists had pressed upon us, but also in the composition of the armament itself. The inevitable result of contracting the thickest armour to a comparatively small area on the side of a ship was that the remainder of a hull could be effectually penetrated by less powerful ordnance. Much damage could be done by light shells to the unprotected parts. It might be more profitable to disregard the 24-in. armour of the 'Inflexible' and endeavour to disable the ship by attacking the much larger portion without protection. Numerous light guns would be useful for this purpose, and the French for some time had been in the habit of associating with the heaviest guns an auxiliary armament of lighter ordnance, mounted on the broadside. The latest phase was to be a combination of the barbette and broadside systems. A series of vessels were constructed, now well known as the 'Admiral' class, because each bears the name of a distinguished British admiral, which varied in size from 9200 to 10,000 tons. All are constructed with a pear-shaped barbette at each end, for one or two heavy guns, and between the barbettes a broadside battery of 6-in. guns. The armour at the water line is 18 in. extreme thickness, and of compound manufacture. This armour does not extend to the ends, which are protected with a steel deck. The absence of a complete belt gives an opportunity for critics to deny that such vessels are efficient as battle ships. On the other hand, their speed is higher considerably—17 knots—than any previous vessels, and they carry a large supply of coal. They differ chiefly in the heavy arma-
Page:The Development of Navies During the Last Half-Century.djvu/129
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Barbette System combined with Broadside .
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