The London, Edinburgh and Dublin philosophical magazine and journal of science . etween 0*07 x 106 and 012 x 106, inthe former it varies between 18xl06 and 53*72 x 106. Thethermal conductivity is \b to 20 times as much as would bededuced from the above ratio by means of the specific heat andthe electrical conductivity. This relation between the two con-ductivities appears to be connected with the metallic nature of thesubstances.—Wiedemanns Annalen, No. 7, 1897. THE GENESIS OF DALTON S ATOMIC H. DEBUS, , Sir H. Roscoe and Mr. A. Harden have published in thePhil. Mag. (Mar


The London, Edinburgh and Dublin philosophical magazine and journal of science . etween 0*07 x 106 and 012 x 106, inthe former it varies between 18xl06 and 53*72 x 106. Thethermal conductivity is \b to 20 times as much as would bededuced from the above ratio by means of the specific heat andthe electrical conductivity. This relation between the two con-ductivities appears to be connected with the metallic nature of thesubstances.—Wiedemanns Annalen, No. 7, 1897. THE GENESIS OF DALTON S ATOMIC H. DEBUS, , Sir H. Roscoe and Mr. A. Harden have published in thePhil. Mag. (March 1897) a paper on the (xenesis of DaltonsAtomic Theory, wherein several statements are made against theviews held by me. These statements of Messrs. Eoscoe andHarden are, in my opinion, erroneous. I have fully answeredthem in a paper published in the Zeitschrift fur phi/sikalischeChemie von W. Ostwald and J. H. vant Hoff, vol. xxiv. p. 325,to which I beg to refer readers of the Philosophical Magazinewho take an interest in the subject. ? Phil. Mag. S. 5. Yol. 45. PI. a B aa o E-» p © a : _o a, Phil. Mag. S. 5. Vol. 45. PI. II. S-Gfepr Rate of Heat Transmission * 00 CQ I ^mpn^r^V.


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Keywords: ., bookcentury1800, bookdecade1840, booksubjectscience, bookyear1840