Proceedings of the Royal Society of London, Volume 10Taylor & Francis, 1860 |
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Common terms and phrases
Abstract acetic acrolein alcohol aldehyde alloys ammonia animal appears battery bronchial arteries carbonic carbonic acid chemical action chloride chorda clinant Cloëz colour communication compound conducting containing corresponding crystals curve deposits determined diatomic direction discharge distance effect electric electrolyte electrometer electromotive force equation ethylene experiments fact fibres fluid force formula glass globule H₁ H₂ heat hydriodic acid hydrochloric acid hydrogen immersed inch investigation iodide layer light liquid liver lobulette luminous magnetic means mercury metal method molecules movements negative wire nerve nitrogen observations obtained ossification paper pass phenomena phosphate phosphate of lime placed platinum portion positive wire potash potassa produced Professor quantity rays Robert Stephenson Royal Society salt scalar soda solution specific gravity specimens spectrum substance sugar sulphate sulphuric sulphuric acid surface temperature theory tion urine vertebral bodies vessels whilst yellow zinc
Popular passages
Page 169 - I take to do this, is not yet very usual ; for instead of using only comparative and superlative Words, and intellectual Arguments, I have taken the Course (as a Specimen of the Political Arithmetick I have long aimed at) to express myself in Terms of Number, Weight, or Measure ; to use only Arguments of Sense, and to consider only such Causes, as have visible Foundations in Nature...
Page 285 - Crystallized Phosphate of Lime. — The urine from which phosphate of lime is deposited is usually pale, but occasionally it is high-coloured ; the quantity passed is large, and the calls to void it frequent, more or less uneasiness and smarting being occasioned by its passage, at the neck of the bladder, and along the course of the urethra ; its specific gravity varies greatly. Taking the whole quantity passed in twenty-four hours, it is usually below the average, nevertheless the animal matter...
Page 165 - Imagination — of that wondrous faculty, which, left to ramble uncontrolled, leads us astray into a wilderness of perplexities and errors, a land of mists and shadows; but which, properly controlled by experience and reflection, becomes the noblest attribute of man ; the source of poetic genius, the instrument of discovery in Science, without the aid of which Newton would never have invented fluxions, nor Davy have decomposed the earths and alkalies, nor would Columbus have found another continent.
Page 159 - ... their corresponding surfaces ground tolerably flat, were suspended in an inhabited room upon a horizontal glass rod passing through two holes in the plates of ice, so that the plane of the plates was vertical. Contact of the even surfaces was obtained by means of two very weak pieces of watch-spring. In an hour and a half the cohesion was so complete, that, when violently broken in pieces, many portions of the plates (which had each a surface of twenty or more square inches) continued united.
Page 165 - Lastly, physical investigation, more than anything besides, helps to teach us the actual value and right use of the Imagination — of that wondrous faculty, which, left to ramble uncontrolled, leads us astray into a wilderness of perplexities and errors, a land of mists and shadows; but which, properly controlled by experience and reflection, becomes the noblest attribute of man...
Page 636 - Und perpetuating our national claim to the furtherance and perfecting of this magnificent department of physical inquiry. (Herschel, in Quarterly Review, September, 1840, p. 277.) The scheme was no unreasonable one. Probably eight or nine stations in the contour of the hemisphere might suffice ; and of these we already possess the observations at Toronto ; those at Kew are in progress; and self-recording instruments, similar to those at Kew, are now under verification at Kew preparatory to being...
Page 571 - It may be shown by experiment that the action of that organ never ceases, and that round the body of the torpedo, and probably of every other electric fish, there is a continual circulation of electricity in the liquid medium in which the animal is immersed. In fact, when the electric organ, or even a fragment of it, is removed from the living fish, and placed between the ends of a galvanometer, the needle remains deflected at a constant angle for twenty or thirty hours, or even longer.
Page 633 - ... and the tropics, may first be disposed of, in a very few words. The contemporaneous character of the disturbances which had been shown by the German term observations to extend over the larger portion of the European continent, manifested itself also in the comparisons of the term-days in 1840, 1841, and 1842, at Prague and Breslau, in Europe, and Toronto and Philadelphia, in America, published in 1845 ; and the same conclusion was obtained by comparing with each other the term-days at the colonial...
Page 9 - The experiments in this section were made upon small cylinders and cubes of glass crushed between parallel steel surfaces by means of a lever. The cylinders were cut of the required length from rods drawn to the required diameter, when molten, and then annealed, in this way retaining the exterior and first cooled skin of glass. The cubes were cut from much larger portions, and were in consequence probably in a less perfect condition as regards annealing.
Page 297 - ... liver of an animal after three entire days of rigid fasting. 6. The sugar found in the bodies of animals fed on mixed food, is partly derived directly from the food ; partly formed in the liver. 7. The livers of animals restricted to flesh diet possess the power of forming...