A Dictionary of Chemistry: On the Basis of Mr. Nicholson's, in which the Principles of the Science are Investigated Anew and Its Applications to the Phenomena of Nature, Medicine, Mineralogy, Agriculture, and Manufactures Detailed, Volume 2

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Robert Desilver, 1821 - 14 pages
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Page 73 - Let him also tell me how an electrick Body can by Friction emit an Exhalation so rare and subtile, and yet so potent, as by its Emission to cause no sensible Diminution of the weight of the electrick Body, and to be expanded through a Sphere whose Diameter is.
Page 73 - Is not the Heat of the warm Room conveyed through the Vacuum by the Vibrations of a much subtiler Medium than Air, which after the Air was drawn out remained in the Vacuum...
Page 73 - ... from the size of a pin's head to that of a pea ; scattered through a large body of sand or clay ; and in this state it is called by the Mandingoes sanoo munko,
Page 73 - The sentence, no doubt, was thus intended: 'In less than half a minute, the respiration [being continued, these feelings] diminished gradually, and were succeeded by [a sensation] analogous to gentle pressure on all the muscles.
Page 63 - The traces of revolutions become still more apparent and decisive when we ascend a little higher, and approach nearer to the foot of the great chains of mountains. There are still found many beds of shells ; some of these are even larger and more solid ; the shells are quite as numerous and as entirely preserved ; but they are not of the same species with those which were found in the less elevated regions.
Page 95 - Fahrenheit. Plants and trees, the roots of which are fibrous and hard, and capable of penetrating deep into the earth, will vegetate to advantage in almost all common soils that are moderately dry, and do not contain a very great excess of vegetable matter.
Page 73 - ... correct situation of the gas. Instead of creeping inch by inch with a candle, as is usual, along the galleries of a mine suspected to contain fire-damp, in order to ascertain its presence, we walk firmly on with the safe lamps, and with the utmost confidence prove the actual state of the mine.
Page 26 - Without deciding whether vapour be simply expanded by heat, and diffused through the atmosphere, or chemically combined with it, he maintained from the phenomena, that the quantity of vapour capable of entering into the air, increases in a greater ratio than the temperature ; and hence he fairly infers, that whenever two volumes of air of different temperatures, are mixed together, each being previously saturated with vapour, a precipitation of a portion of vapour must ensue, in consequence of the...
Page 45 - ... every muscle in his countenance was simultaneously thrown into fearful action ; rage, horror, despair, anguish, and ghastly smiles, united their hideous expression in the murderer's face, surpassing far the wildest representations of a Fuseli or a Kean. At this period several of the spectators were forced to leave the apartment from terror or sickness, and one gentleman fainted.

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