Micrographia Illustrata; Or, the Microscope Explained ... Likewise, a Natural History of Aerial, Terrestrial, and Aquatic Animals, &C., Considered as Microscopic Objects

Micrographia Illustrata; Or, the Microscope Explained ... Likewise, a Natural History of Aerial, Terrestrial, and Aquatic Animals, &C., Considered as Microscopic Objects

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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. 1771 edition. Excerpt: ...fig. 234.. The first part A is its head, which advances and retires by jerks. B, the trgnk of of its body, and C its tail, it is of a transparent white, and often draws its tail in, at the end of which are two black hairs D D. It is remarkable, that extremely hot weather kills them, and in five or fix days they are succeeded by others. ' We have no reason to doubt, but these minute animalcules are furnished with eyes, for two of the same figure are often seen to approach each other without touching, and then turning, with a prodigious swiftness about their own center. Another sort is sometimes found in this infufion, whose extremities are terminated by two plane surfaces, parallel to each other, as at fig. 238. The twenty-third of September, three other sorts of more minute animalcules were sound in this liquor, and some of the cal-kind also. P. Another sort of animalcule was found in this infu-l' there was no room in this plate, were of the eel-kind," H E 4th of October some new hay being put into' T cold water in two different vessels, one of which was stopped close with a piece of vellum, made very wet, and the other left open: two days after, three sorts of animalcula were discover'd in each infufion, and and; sufficient quantity of them: this experiment is a proof, that those animalcules were produced from eggs, which had been depofited by their parent ' animals upon the hay, and also that they were not wasted thither in the air. ' The loth of the same month, more of these animalcula were found in one drop of that infufion, which had been covered, than could be seen in the like quantity not covered. The third experiment made upon the same hay. T HE I 3th of October some of the same new hay was boiled in common water, above a...show more

Product details

  • Paperback | 40 pages
  • 189 x 246 x 2mm | 91g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236787528
  • 9781236787521