Memoir Volume 15

Memoir Volume 15

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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. 1905 edition. Excerpt: ...leaving only a few large trees for shade and ornament. If the superfluous trees are not good enough to be burned in the engine they should be burned on the spot. Underground, the temperature of the air is usually somewhat higher than that at the surface, but was by no means oppressive, and the ventilation appeared excellent, large volumes of air being continuously driven through the workings. The character of these varies, being in places quite dry, and in others dripping with moisture, but as a rule the floor, though hard, was muddy, so that, given the necessary infection, it is clear that all the conditions that favour anchylostothough no offence was noticeable, the skips are not working continuously, so that some provision of the sort is certainly desirable, as the black miners work almost in a state of nudity, and it is difficult for an European to move about the mine without the muddy water getting into the boots, so that both classes would be liable to suffer should the infection of that disease once gain an entrance. The natives seen in the mine, however, did not show any signs of Anchylostomiasis, but the danger is, nevertheless, one that should be borne in mind and guarded against. Prevalence of Mosquitoes As already mentioned, no larvae could be found in any of the large marshes, and but few of either these or imagines, were in evidence anywhere, a few Culices alone being met with in the house. It is difficult to account for this, as unregarded collections of water were extremely common, and the temperature of the air was in every way suitable to the breeding of these insects. A few Anophcles larvae were found in certain disused mining utensils containng water. Food. As a. rule, as elsewhere on the " Coast," too great...
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Product details

  • Paperback | 26 pages
  • 189 x 246 x 1mm | 68g
  • United States
  • English
  • black & white illustrations
  • 1236957539
  • 9781236957535