Railways, Steamers And Telegraphs: a Glance At Their Recent Progress And Present State
Railways, Steamers And Telegraphs: a Glance At Their Recent Progress And Present State
George Dodd
The book Railways, Steamers And Telegraphs: a Glance At Their Recent Progress And Present State was written by author George Dodd Here you can read free online of Railways, Steamers And Telegraphs: a Glance At Their Recent Progress And Present State book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Railways, Steamers And Telegraphs: a Glance At Their Recent Progress And Present State a good or bad book?
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If any part were to take fire, the flames might be quenched by quickly filling the whole of that space with water, without overweighting the vessel. In this sense it would be both unsinkable and incombustible. The engine-room is enclosed in four solid walls of iron, to isolate it from the rest of the fabric. A ship so large as 1000 tons has been built on this principle; but we are not aware that the unsinkability and incombustibility have yet been put to a test arising really out of the exigenc...ies of actual Service. Double-screw Ships, — ^This principle has been applied by Messrs Dudgeon to certain ships with great success. Two screw-propel- lers are placed one on each side of the keel. It is conceived that by using one or both screws, or one moving faster than the other, a ship can be rendered more manageable than if there is only one screw in a line with the keel. A double-screw called the Far East was launched at Cubitt Town in 1863 for the China trade; it is of 1720 tons, and has two screws of 8 feet diameter and^ 1 6 feet pitch.
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