Proceedings of the Royal Society of London, Volume 11Taylor & Francis, 1862 - Electronic journals |
Contents
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Common terms and phrases
action alcohol ammonia animals appears atmosphere axis battery body boiling bromide C₁ cadaveric rigidity carbonic acid cent charge chemical chloride coating colloid compound conductor connexion containing crystalline crystals cyanate cyanuric acid described determined diatomic dibromide dichloride direction discharge effaceables effect electric electromotive force equation ether ethyl ethylamine ethylene experiments F.R.S. Received feet fibres formula galvanometer glacier H₁ H₂ heat hippocampus hydrate hydrochloric acid hydrogen inch increase influence injection investigation irritability janal liquid liver magnetic means memoir metal molecule monozone N₂ narcotine needle nerve nitric acid observations obtained oxide perchloric acid plane plates platinum platinum-salt polar polyedra portion pressure produced Professor putrefaction quantity reaction resistance reticulation Royal Society salt secondary soluble solution substance sugar sulphide surface temperature testing-conductor tion triethylamine triethylphosphine tube urea urine vapour variation vomer wire zoneless
Popular passages
Page xiv - His copiousness had nothing tumid, diffuse, Asiatic ; no ornament for the sake of ornament. As to its clearness, one may read a sentence of Macaulay twice, to judge of its full force, never to comprehend its meaning. His English was pure, both in idiom and in words, pure to fastidiousness ; not that he discarded, or did not make free use of the plainest and most homely terms (he had a sovereign contempt for what is called the dignity of history, which would keep itself above the vulgar tongue), but...
Page 236 - Although chemically inert in the ordinary sense, colloids possess a compensating activity of their own, arising out of their physical properties. While the rigidity of the crystalline structure shuts out external impressions, the softness of the gelatinous colloid partakes of fluidity, and enables the colloid to become a medium for liquid diffusion, like water itself. The same penetrability appears to take the form of cementation in such colloids as can exist at a high temperature, hence a wide sensibility...
Page 236 - The colloidal is, in fact, a dynamical state of matter, the crystalloidal being the statical condition. The colloid possesses Energia. It may be looked upon as the probable primary source of the force appearing in the phenomena of vitality. To the gradual manner in which colloidal changes take place (for they always demand time as an element) may the characteristic protraction of chemico-organic changes also be referred.
Page 73 - On the Lunar-diurnal Variation of the Magnetic Declination obtained from the Kew Photograms in the years 1858, 1859, and 1860.
Page 313 - TT' respectively ; so that, in accordance with the notation used above, we have JT ^' f—lf — ^ n\ ' SS'+R + Tf" /= SS' + R+TT' "' of its substance. Following Weber, I define the resistance of a bar or wire one foot long, and weighing one grain, its specific resistance. It is much to be desired that the weight-measure, rather than the diameter or the volume-measure, should be generally adopted for accurately specifying the gauge of wires used as electric conductors. With reference to either SS...
Page 466 - ... must impart to the ice a tendency to melt -away, and to give out its cold, which will tend to generate, from the surrounding water, an equivalent quantity of ice free from the applied stresses.
Page 238 - A solution of gum-arabic (gummatc of lime), dialysed after an addition of hydrochloric acid, gave at once the pure gummic acid of Fre'my. Soluble albumen is obtained in a state of purity by dialysing that substance with an addition of acetic acid. Caramel of sugar, purified by repeated precipitation by alcohol and afterwards by dialysis, contains...
Page 495 - April 22, 1663, constituted them a body politic and corporate, by the appellation of the President, Council, and Fellows of the Royal Society of London, for improving Natural Knowledge.
Page 70 - In these instruments, as is well known, an object represented on a revolving disc, in the successive positions it assumes in performing a given evolution, is seen to execute the movement so delineated ; in the stereotrope the effect of solidity is superadded, so that the object is perceived as if in motion and with an appearance of relief as in nature.
Page 71 - ... diameter, capable of being moved freely on its axis. This cylinder, which is called the eye-cylinder, is pierced throughout its entire length (if we except a diaphragm in the centre inserted for obvious reasons) by two apertures, of such a shape, and so situated relatively to each other, that a transverse section of the cylinder shows them as cones, with their apices pointing in opposite directions, and with their axes parallel to, and distant half an inch from, the diameter of the cylinder....