This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1874 Excerpt: ...by that eminent mechanician, Mr. Bessemer, be adopted, it will no longer be a question of mere penetration of the iron coat and an admission of the shot or shell through this hole, for the shot he proposes will drive so much of the side in as to admit the ship "from which it is fired to pass in also." 160. To insure ...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1874 Excerpt: ...by that eminent mechanician, Mr. Bessemer, be adopted, it will no longer be a question of mere penetration of the iron coat and an admission of the shot or shell through this hole, for the shot he proposes will drive so much of the side in as to admit the ship "from which it is fired to pass in also." 160. To insure hitting, Mr. Bessemer has devised elegant instruments for firing with accuracy of time and of elevation, objects more important for ships and more difficult of attainment because of the motion of their gun platforms. Then, for measuring distances, we have had descriptions of valuable telemeters in successive numbers of the engineering newspaper, and to these Mr. Bessemer has added another, which gives reason to hope that a completely effective instrument will soon be obtained. 161. True, the proposition of Mr. Bessemer is to throw a 5-ton shot at a velocity not less than 1,000 feet per second, but so elastic is his system, that by greater velocity he might obtain almost as great results with much smaller shot, but indeed such effects as he could produce with his great guns are unnecessary for a gun to be used either in ships or against ships, for less than half the weight of such shot striking the turret, say of the "Devastation," or on her armour abeam, if those did not smash up quickly, the ship herself would be rolled over. See Admiral Sir Thomas Symonda'a report on this subject--Blue Book. 162. Some may imagine that such guns are too large for general use, but this objection could not lie against them for batteries and gun-vessels for harbour and coast defence, and they would be infinitely less expensive, and, being movable, more effective than fixed forts. 163. In the contemplation of such guns, and his are not the only ...
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PLEASE NOTE, WE DO NOT SHIP TO DENMARK. New Book. Shipped from UK in 4 to 14 days. Established seller since 2000. Please note we cannot offer an expedited shipping service from the UK.
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PLEASE NOTE, WE DO NOT SHIP TO DENMARK. New Book. Shipped from UK in 4 to 14 days. Established seller since 2000. Please note we cannot offer an expedited shipping service from the UK.