The National Cyclopaedia of Useful Knowledge

The National Cyclopaedia of Useful Knowledge

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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. 1884 edition. Excerpt: ...will keep sweet a very long time. This is the " condensed milk" of commerce, which when mixed with water servei as an excellent substitute for fresh milk when the Utter is not procurable. As its composition is of course uniform, many doctors recommend it on this score as the basis.;.properly dilnted, of infants' food; but the great roajoritj vet prefer the fresh form as a food. Milk is an antidote in cases of poisoning by some metallic salts, such as corrosive sublimate, perchloride of tin, sulphate of copper, && MILK SUGAR. See Lac-tin-. MILKY WAY, a remarkable, luminous band stretching completely round the heavens, and following a great rirtk with more or less regularity. This wondrous object is formed entirely of incredible myriads of minnte stats so faint that they cannot be distinguished separately witfceut the aid of a telescope. The great circle which, on the whole, coincides with the Milky Way, has its pole in 12 hra. 38 ma. of right ascension, and 315 of north declination. Starting from this pole, the number of stars are found to increase steadily down towards the Milky Way. Suppose, for - venience, that an observer be so placed that this pole U it his zenith, and the Milky Way consequently in his horist. then at different zenith distances we have the followifc; average number of stars visible in a telescopic field of li minutes in diameter, i.e. in a region equal to one quirter- the area of the full moon. Di st ance from Avenge norabe: Pole of ofsursintneld Milky Way. 15' in dimeter. 0 4-15 15 MJ 30 6-52 45 1036 CO 17-6S 75 30-30 80 122-00 From this we see that the mean density of the sun b the Milky Way exceeds in a ratio of nearly thirty to one the number of stars at its pole. These figures hare ben deduced...
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Product details

  • Paperback | 622 pages
  • 189 x 246 x 32mm | 1,093g
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236514963
  • 9781236514967