INDEX 381 Materials II, 19, 676 (1919); 11 pp.; U. S. Bur. of Standards Tech. paper 126 (1919); 18 pp.; (4) Saybolt Viscosity of Oil Blends. Chem. Met. Eng. 22, 1109 (1920); 3 pp.; U. S. Bur. of Standards Tech. Paper 164 (1920); (5) The MacMichael Tortional Viscometer. J. Ind. Eng. Chem. 12, 282 (1920); 6 pp. L, W. H. and BERGQUIST, C. The Consistency of Dextrin Pastes. M. D. The Theory of the Torsion and Rolling-Ball Viscometers // and Their Use in Measuring the Effect of Pressure on Viscosity. J. ; Wash. Acad. Sci. 6, 525 (1916); 6 pp. •*, W. (1) Internal Friction of Aqueous Solutions of Potassium |! Halide Solutions. Z. anorg. Chem. 86, 338 (1914); 2pp.; (2) Internal 11 ^friction of Chlorinated Hydrocarbons. Z. Elektrochem. 23, 24 (1917); || J. Chem. Soc. II, 112,194; (3) Internal Friction of Aqueous Salt Solutions. ?! Z. anorg. allgem. Chem. 99,132 (1917); (4) Fluidity and Specific Volume |1 of Aqueous Solutions. Do. 102, 173 (1918); 3 pp.; J. Chem. Soc. II, lj 114, 155 (1918); (5) Do., do. 104, 47 (1918); 6 pp. / ( W. and RATHMANN, W. The Inner Friction of Chlorinated AH- i; phatie Hydrocarbons and their Mixtures- Z. Elektrochem. 19, !j( 589 (1913); 1 p. \ R. O. Viscosity of Colloidal Sols. Z. Chem. Ind. Kolloide 8, Ij 210 (1911); 2pp. \ A. Apparent Viscosity of Dielectrics, ficlair. Elect. 7, 450 (1896). [| H. 239, (1) Eiasticitiit und innere Reibung des Eises. Ann. \ !>hysik. (4) 8, 405 (1902); 27 pp.; (2) The Plasticity of Ice. Ann. [Physik. 36, 449 (1911); 44 pp. HESS, W. R. (1) Viskositat des Blutes und Herzarbeit. Diss. Zurich (1906); 12 pp.; Vierteljahrschrift der Naturforsch. Ges. Zurich 61, (1906); (2) Ein Neuer Apparat zur Bestimmung der YiskositiLt des Blutes. Munch, med. Wochschr. #32 (1907); (3) Die Bestimmung der Viskositat des Blutes. Munch, med. Wochschr. #45 (1907); (4) Die Viskositat des Blutes bei gesunden Menschen. Deut. Arch. Iclin. Med. 9>4 (1908); (5) Theory of Viscosity of Heterogeneous Systems. Kolloid-Z. 27, 1 (1920); 12 pp.; (6) Viscosity of Gel-Forming Solutions, X>o. 27, 154 (1920); 10 pp. VON" HEVESY, G. Mobility of Ions which are the same as those of the Solvent. Z. Elektrochem. 27, 21 (1921); 4 pp. HEYI>WEILLER, A. 7, 130, 142, 235, (1) Der Temperatureinfluss auf die i nnere Reibung von Benzol und Athylather oberhalb ihres Siedepunktes. "Wied. Ann. 66, 561 (1895); 15 pp.; (2) Die innere Ileibung einiger ITLussigkeiten oberhalb ihres Siedepunktes. Wied. Ann. 69,193 (1896); !2O pp.; (3) Zur Bestimmung der inner en Reibung fester Korper. Wied. Ann. 63,56 (1897); 4 pp. HETTMANN, T. Diss. Zurich (1901). HIGGTNS, W. F, 324, (1) Methods and Apparatus Used in Petroleum Testing. II. Viscosity. J. Soc. Chern. Ind. 32, 568 (1913); 5 pp.; Also Petroleum World June (1913); National Physical Laboratory, Collected Researches 11, 1 (1914); 16 pp.