Navy and Army Illustrated Volume 14

Navy and Army Illustrated Volume 14

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1902 edition. Excerpt: shot, 11,669-cwt. would be the aggregate weight of the steel projectiles. The latter are of three kiiids--namely, shrapnel, used against exposed men; the common or explosive shell, not specially adapted for use against armour, btit with soinething of its possible mine powder sacrificed to iiicrease its power of penetration; and the armour-piercing shell, carrying a sufficient explosive charge to break it into a number of fragments after it has passed through. However, it is essentially the function of the heavy guns to pierce the armour, which stops the projectiles of the smaller qtiick-firiiig pieces. It is estimated that a battle-ship of about 12,000 tons displacement discharging one of her heavy guns develops a power sufficient to liit her bodily tiearly I5-ft. It can readily be imagined, therefore, what the effect of a projectile from one of these guns would be when striking another vessel at close range. It is an extremelyinteresting story to read of what has been termed the duel between gun and armour. As fast as oiie is improved so that its victory over the other seems assured. along comes some inventor with an iinproveinent in the latter, which for a time puts it ahead. Vrou__ght iron was the original substance used in protecting the so-called ironclads, but was supplanted by a compound armour, which for many years reigned supreme, and was brought to such a pitch of perfection that its tiltiinate victory seemed assured. In 1886, however, came the invention of chrome steel shot, which effected complete perforation without deformation of the projectile. This was answered by the invention of plates with cemented faces, and shortly afterwards trials of the Harvey process commenced. Harvey plate eventually proved itself better than...
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Product details

  • Paperback | 432 pages
  • 189 x 246 x 22mm | 767g
  • United States
  • English
  • black & white illustrations
  • 1236750667
  • 9781236750662