Ocean Highways Volume 1; The Geographical Review pdf

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Ocean Highways Volume 1; The Geographical Review pdf

Ocean Highways Volume 1; The Geographical Review pdf

Ocean Highways Volume 1; The Geographical Review by Books Group

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Author: Books Group
Page Count: 612 pages
Published Date: 01 May 2012
Publisher: Rarebooksclub.com
Publication Country: Miami Fl, United States
Language: English
ISBN: 9781232204985
File size: 46 Mb
File Name: Ocean.Highways.Volume.1;.The.Geographical.Review.pdf
Download Link: Ocean Highways Volume 1; The Geographical Review
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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: ...bodily on board ship. In England, the harbour of Dover is well adapted for a long ship of this kind, on account of the magnificent mole, which will be made still longer. On the French shore no harbours serve for that purpose. The question was a difficult one. Some men, among whom were Messrs. Scott Russell, Bfihic, Drouin de Lhuys, Durrieux, &c, have agreed that it would be necessary to build a harbour at Calais as fine as that of Dover. The tide is less strong at Calais than at Boulogne, owing to the current which passes through the Channel. The slope of the coast at Calais is, for the same reason, more advantageous than the slope at Boulogne. Nevertheless, there are minor difficulties at Calais. M. Dupuy de Lome has derived great assistance from a work on the harbours of that coast, by M. Dumas Vance. At Calais, man constantly struggled against nature in preventing the sea from flooding the fields, and this was only managed by raising extensive danis. Along that coast the tide rises for eight hours, and the ebb flows for four houps. M. Dupuy de Lome explained the physical reasons of that phenomenon. Embankments were made to resist the effects of the tide as early as 1688; and the years 1796, 1821, 1822, 1834, and 1842 mark the establishment of the present longitudinal as well as perpendicular banks or moles. A special study of the practicability of digging a port in the land, has shown that the plan was impossible, because the port could never have been made large enough. Oh that account it has been thought preferable to build a harbour for the train transport-vessel, by taking advantage of a small oblong island. The harbour will be formed by a crescent-shaped mole facing the sea, and by another mole nearer the land. Moreover, the slight declivity of ...

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