. The London, Edinburgh and Dublin philosophical magazine and journal of science. 3ol. CLj. 3ol. Ka2C03. Sol. water. in Free Surfaces of 3. 143. Alkaline solution of CaCl2 Oil of sol. CuCL;. of carbon. From the numerical values of the last table, as well as fromthese drawings, the following results are obtained:— (a) In all the liquids studied, the resistance to motion isnot inconsiderably augmented when the plate approaches thefree surface. (b) On a further elevation of the plate causing its upperedge to enter the free surface, a c
. The London, Edinburgh and Dublin philosophical magazine and journal of science. 3ol. CLj. 3ol. Ka2C03. Sol. water. in Free Surfaces of 3. 143. Alkaline solution of CaCl2 Oil of sol. CuCL;. of carbon. From the numerical values of the last table, as well as fromthese drawings, the following results are obtained:— (a) In all the liquids studied, the resistance to motion isnot inconsiderably augmented when the plate approaches thefree surface. (b) On a further elevation of the plate causing its upperedge to enter the free surface, a characteristic difference be-tween the various liquids becomes manifest, and we find, exactlyas Plateau states, I. Liquids which exhibit a considerable augmentation ofthe resistance—water and aqueous salt-solutions; II. Liquids in which a diminution of the resistance occurs—alcohol, alcoholic solutions, sulphide of carbon, oil of tur-pentine; III. Mixtures of water and alcohol, which join the oneor the other group according to the proportion of the con-stituents. (c) When the resistances of the liquids at greater depthsare compared, that of sulphide of carbon is
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Keywords: ., bookcentury1800, bookdecade1840, booksubjectscience, bookyear1840
