The Edinburgh Philosophical Journal Volume 3

The Edinburgh Philosophical Journal Volume 3

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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. 1820 edition. Excerpt: ...many of them are nan-gable as far as the tide goes, yet when compared with the Congo, they dwindle into brooks, which proves that it can be no great distance from the sea to their source, and that there must, during the rainy season of four months, be a prodigious accumulation of waters to the eastward of the mountains from which they take their rise, such as, without an adequate drain, like the Congo, would inundate a great extent of the interior of Africa. We have indeed heard much of the influence of evaporation; but when applied to the present case, the question still recurs, how has the Congo so far outstripped all its fellows? It must draw its immense resources from some quarter; and there does not appear a more likely hypothesis than that which sup-poses it to stretch to Wangara, past the Mountains of the Moon, and thus become the outlet of that immense drain which is known to exist in the interior of Africa." There is but one objection to this reasoning that appears in any degree formidable, and which was stated to Mr Park, although not contained in the correspondence; namely, the difference of time between the floods of the Niger and the Congo, which is no less than three months. The answer given was in substance as follows. From every account which Mr Park obtained of the Niger, it appears to be a sluggish running stream, between Sil-la and Wangara. And, in confirmation of this, we may remark, that in the memoir at the end of Mr Park's Travels, it is particularly stated by Major Rennel, that the distance between Tombuctoo and Houssa is 200 miles, which takes the merchants eight days, in their ordinary way of sailing, to go and return. With us it may appear an unnecessary waste of time, being no more than a mile per hour straight...show more

Product details

  • Paperback | 148 pages
  • 189 x 246 x 8mm | 277g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236670345
  • 9781236670342