Journal of the Franklin Institute, Volume 57; Volume 87

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Pergamon Press, 1869
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Vols. 1-69 include more or less complete patent reports of the U. S. Patent Office for years 1825-59. Cf. Index to v. 1-120 of the Journal, p. [415]

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Page 94 - By turning the latter round to the right or to the left, as the case may be...
Page 312 - The areas of circles are to each other as the squares of their diameters.
Page 314 - Mason of the latter part of the last and beginning of the present century, who died at Paris in September.
Page 258 - ... to be not sensibly magnetic by our test; but it always acquired a sensible magnetism when charged with hydrogen. It appears to follow that hydrogenium is magnetic, a property which is confined to metals and their compounds. This magnetism is not perceptible in hydrogen gas, which was placed both by Faraday and by .ME Becquerel at the bottom of the list of diamagnetic substances.
Page 215 - Figures and Descriptions of most of those Mosses peculiar to Eastern North America which have not been heretofore figured," and forms an imperial octavo volume, with one hundred and twenty-nine copperplates, published in 1864.
Page 210 - Merrick, in the chair. The minutes of the last meeting were read and approved. The Actuary submitted the minutes of the Board of Managers, and reported...
Page 269 - ... by Sir John Herschel, and "punctulations" by his father. Some of these were almost black, and looked like excessively small spots just breaking out. But none of them were seen to enlarge or materially alter their form, though at times so sharply defined with powers 276 and 407 that it was obvious they were in general not quite round. It appears to me quite...
Page 250 - IT has often been maintained on chemical grounds that hydrogen gas is the vapour of a highly volatile metal. The idea forces itself upon the mind that palladium with its occluded hydrogen is simply an alloy of this volatile metal in which the volatility of the one element is restrained by its union with the other, and which owes its metallic aspect equally to both constituents.
Page 260 - ... of hydrogenium, and that the density of the latter is about 2, a little higher than magnesium, to which hydrogenium may be supposed to bear some analogy ; that hydrogenium has a certain amount of tenacity, and possesses the electrical conductivity of a metal ; and, finally, that hydrogenium takes its place among magnetic metals. The latter fact may have its bearing upon the appearance of hydrogenium in meteoric iron, in association with certain other magnetic elements.
Page 327 - On passing a stream of induction sparks through the gas standing over liquefied sulphurous anhydride in a strong tube, at the ordinary temperature, when a pressure of about three atmospheres was exerted by the gas, a very brilliant light was obtained. A stream of induction sparks was passed through air confined in a glass tube connected with a condensing syringe, and the pressure of the air...

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