INDEX 403

OERTEL, E. tlber die Viscositat der Milch. Diss. Leipzig. (1908); 47 pp.

OERTEL, F. Eine Abanclerung der Poiseiiilleschen Methode zur Unter-
suchung der inneren Reibung in stark verdunnten wasserigen Salz-
losungen. Diss. Breslau (1903); 48 pp.

OHOLM, L. W. (1) Innere Reibung von wasserigen Losungen einiger
Nichtelektrolyten tiber die Reinigung des hierbei angewandte Wassers.
Oversight. Finska Vetenskaps soc., Forhandlingar 47, 1 (1904); 18 pp.;
(2) The Influence of Non-Electrolytes on the Diffusion of Electrolytes
and on the Electric Conductivity, also a Study of the Viscosities of Solu-
tions of those Substances. Oversigt. Finska Vetenskaps. soc., For-
handlingar 55, afd. A., #5 (1913); 99 pp. Cp. Akad. afh. Helsing-
fors (1902).

OFFERMANN. Viscosity Determinations of Small Quantities of Oil in
Engler's Visconieter. Chem, Hev. Fett.-Hartz-Ind. 18, 272 (1911);
3pp.

ONFRAY <fe BALADOINE. Viscosity of the Blood and Hemorrhage of the
Eye. Soc. ophth. Paris, Dec. 5 (1911); Klin. Monatsbl. Augenheilk.
13, 242.

ONNES, KAMERLING. 131, (1) The Coefficients of Viscosity for Fluids in
Corresponding States. Communications from the Laboratory of
Physics at the Univ. of Leyden #2; (2) Arch. Nerrl. 30,134 (1897); also
Enzykl. d. mathem. Wisenschaften V. 10, 699.

ONNES, K., DORSMAN & WEBER, S. The Internal friction of gases at lowk
temps. I. Hydrogen, II. Helium. Verslag. K. Akad. Wetenschappen
1375 (1913); 10pp.

ORR. Proc. Roy. Irish Acad. 27A, #2 & 3 (1907).

ORTH, P. Viscosity of Saccharin Solutions. Bull, assoc. chim. sue. dist.
29, 137 (1911); 11 pp.

ORTLOFF, W. tJber die Reibungskoefficienten der drei Gasen Aethan
(C2H6), Aethylen (C2H4), Acetylen (C2H2). Diss. Jena (1895).

ORTON, E. (1) Keram. Rundschaw (1901); (2) The plasticity of clay.
Brick 14, 216 (1901); 4 pp.

OSEEN, C. (1) Zur Theorie der Bewegung einer reibenden Fliissigkeit.
Arkiv. for Mat. Astron. och Fys. 3, 84 (1907); (2) Do., Arkiv. Mat.
Astron. Fysik. 4, 1 (1908); #9, 23 pp.

OSMOND, F. Sprodigkeit & Plastmtat. Paris (1893); 8 pp.

OST, H. The Viscosity of Cellulose Solutions. Z. angew. Chem. 24, 1892
(1911); 4pp.; also J. Soc. Chem. Ind. 30,1247 (1911).

OSTWALD, WM. 3, 7, 75, 76, Physikalisch-chemische Messungen.

OSTWALD, WM. & STEBUTT. 94, Lehrb. der. allgem. Chem. 2 auf. 22pp.;
684 etc. (1897).

OSTWALD, Wo. 206, (1) Zoolog. Jahrbucher f. Systemat. Geogr. u. Biol.
18 (1903); (2) Uber das Zeitgesetz des Capillarenaufsteige von Fliissig-
keiten und die Beziehung derselben zur chemischen Konstitution
usw. Z. Chem. Ind. Kolloide 2, Suppl.-heft 2, 20 (1908); 19 pp.;
* (3) Importance of Viscosity for Study of Colloidal State. Trans.
Faraday Soc. 9, 34 (1913); 12pp. Z. f. Chem. u. Ind der KolL
12, 213 (1913); 9 pp.; (4) Zur Theorie der kritischen Trubungen.

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