The London, Edinburgh and Dublin Philosophical Magazine and Journal of Science

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Taylor & Francis, 1898
 

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Стр. 543 - B up to the narrowest part (diameter 0.80 in.), and then made conically divergent to the discharging end. The results of the experiments are given in the following table : The fact that B discharges more than A is very noticeable...
Стр. 110 - ... 34. It is curious to find, thirty or forty years later, De la Rive explaining away Volta's second discovery by moisture; in the atmosphere ! Fifty-one years ago, when I first learned Volta's second discovery, by buying, in Paris, apparatus by which it has ever since been shown in the ordinary lectures of...
Стр. 117 - I might be able not merely to describe a new method, but, if possible, add something to the available information regarding the properties of matter to be found in Hankel's paper. I have made many experiments from time to time since 1861 by the same method, but have obtained results merely confirmatory of what had been published by Pfaff in 1820 or 1821, showing the phenomena of contact electricity to be independent of the surrounding gas, and agreeing in the main with the numerical values of the...
Стр. 260 - Glaisher's Hygrometrical Tables. 2s. Gd. Glaisher's Factor Tables for Fourth, Fifth, and Sixth Millions. 20s. each . Hopkins's (E.) Geology and Terrestrial Magnetism. 8vo. Cloth.
Стр. 201 - ... but this law holds only for small temperature differences and includes cooling both by radiation and convection. Stefan discovered in 1879 that the rate of radiation from a body is proportional to the fourth power of its absolute temperature.
Стр. 118 - As interest has been recently revived in the subject of contact electricity, the following description of my method may possibly prove useful to experimenters. The same method has been used to very good effect, but with a Bohnenberger electroscope instead of my quadrant electrometer, in researches on contact electricity by Monsieur H.
Стр. 348 - Price £2 4s. The Third Series, in 37 volumes, from 1832 to 1850. „ £6. The Fourth Series, in 50 volumes, from 1851 to 1875.
Стр. x - SELECTED AND TRANSLATED FROM FOREIGN SOURCES UNDER THE DIRECTION OF THE PHYSICAL SOCIETY OF LONDON. Demy 8vo, price 12»., -with numerous Woodcuts, three Plates. JOINT SCIENTIFIC PAPERS OF THE LATE JP JOULE, DCL, FRS Volume II., published by the Physical Society of London. Uniform with the above, price £1, with numerous Woodcuts, four Plates, and Portrait. Vol. I. THE SCIENTIFIC PAPERS OF THE LATE JP JOULE, DCL...
Стр. 118 - ... of an inch to about a quarter or half an inch. The lower plate, which was the insulated one, was fixed in a glass stem rising from the centre of a cast-iron sole plate. The upper plate was suspended by a chain to the lower end of a brass rod sliding through a steadying socket in the upper part of the case. A stout brass flange fixed to the lower end of this rod bears three screws, one of which, S, is shown in the drawing [omitted], by which the upper plate can be adjusted to parallelism to the...

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