Rand — Ranum. 



1021 



Verh. d. Ges. Deut. Naturf. & Ärzte: D. pe- 

 riod. Gesetz d. Elemente, 13 S. (75, 1903). 



Wien, Akad. S.Ber. : Unbeständigk. d. Ra- 

 diumbromids, 4 S. (117, 1908). 



Zeitschr. f. physik. Chemie: Ostwald: Ver- 

 such, d. relativen Mengen v. Krypton & Xenon 

 in d. atmosphär. Luft zu bestimmen, 7 S. — 

 Dampfdichten einiger C-Verbindgn. ; Versuch, 

 ihr genaues Molekulargew. zu bestimmen (m. B. 

 D. Steeley. 31 S. (44, 1903). — Versuche üb. 

 Radioactivität & d. Entstehg. v. He aus Ra*). 

 4 & 15 S. (47 & 48, 04). 



Mit ') R. W. Gray, ») E. Aston,») M.W. Travers,«) F. 

 Soddy, ») J. N. Collie, •) A. Th. Cameron, ') 0. F. Spencer. 



SieheA. Th. Cameron & R.W.Gray. 



IV Rand, Theodore Dehon (s. auch 

 im Nachtr. zu Bd. IV, S. 1714) ; 1874—97 

 Mitgl. des board of directors beim Frank- 

 lin-Instit., Philadelphia, 97—1903 Vize- 

 präsid. d. Instit., viele Jahre tätig f. d. 

 Geschäfte seines Journ.; * 1836, f 1903. 

 — (Nachr. v. Drown in Amer. Ac. Min. 

 Eng. Trans.) 



Randall, Harrison McAllister, Dr. 

 phil. 1902; stud. Ann Arbor, 09—10 Tü- 

 bingen; 1894 — 95 Lehrer, Phys., höh. 

 Seh., West Bay City, Mich., 95—98 East 

 Saginaw, 99—1900 Assist., Phys., 00—05 

 Instr., 05—09 Assist. Prof., 09—16 As- 

 soc. Prof., seit 16 Prof., seit 18 Dir., 

 phys. Laborat., Univ., Ann Arbor, Mich. ; 



* 1870, Dez. 17, Burr Oak Mich., U. S. A. 

 (Who's who in Am.) 



.4mer, Phys. Soc. Rev. : The expans. of fu" 

 sed quartz at high temperatures, 20 S. (30, 

 1910). 



Ann. d. Physik: Ultrarote Linienspektra. 

 Spektren v. Ag, Cu, Cs, Rb, Sr, Ba, 8 S. (33, 

 1910). 



Chicago, Astrophys. Journ.: Some infra-red 

 spectra, 20 S. — Residual rays of selenite, 4 S. 

 (34, 1911). — The infra-red arc spectrum of 

 barium, 8 S. (42, 15). — The infra-red arc spec- 

 tra of Co, Ni, Mn & Cr, 7 S. (49, 19). 



Rankine, Alexander Oliver, D, Sc. 

 1910 London; stud. Univ. Coli., London; 

 04 — 19 Assist., Phys. Dep., Univ. Coli., 

 London, seit 19 Prof., Physik, Imperial 

 Coli, of Science & Technol., London; 



* 1881, Dez. 8, Guildford, England. (Eig. 

 Mitt.) 



Versuche z. Nachweis d. Fitzgerald-Lorentz- 

 schen Zusammenziehg. bei sich beweg. Körpern, 

 durch Beobachtgn. v. elektr. Widerstand; d. 

 negat. Ergebnisse bilden einen Teil d. Grund- 

 lage f. d. Relativit.theorie (m. F. T. Trouton) 

 1910. — D. Photophon, App. z. Übermittig. 

 V. Cresprochenem durch Licht 16. — Unter- 

 euchgn. d. Dimensn. gasförm. Moleküle 22. 



London, Faraday Soc. Proc: Structure of 

 some gaseous molecules of which hydrogen is 

 a constituent, 10 S. (17, 1922). 



London, Phyg. Soc. Proc: Transmiss, of 

 Speech by light, 22 S. (31, 1919). — Recording 

 & reproducing sounds by means of light, 5 S. 

 (32, 20). — Encounters betw. non-spherical 

 gaseous molecules, 15 S. (33, 21). — Viscosity 

 & molecular dimenss. of silicane (m. C. J. Smith). 



7 S. (34, 22). — Structure of the sulphur di- 

 oxide molecule (m. C. J. Smith), 5 S. (35, 22). 

 London, Roy. Soc. Proc: Electr. resistance 

 of moving matter (m. F. T. Trouton), 16 S. 

 (80, 1908). — A method of determining the 

 viscosity of gases, especially those available 

 only in small quantities, 12 S. — The viscosi- 

 ties of the gases of the argon group, 10 S. 

 (83, 10). — The variat. with temperature of 

 the viscosities of the gases of the orgon group, 



12 S. (84, 10). — The viscosities of gaseous 

 chlorine & bromine, 7 S. (86, 12). — A method 

 of measuring the viscosity of the vapours of 

 volatile liquids, with an applicat. to bromine, 



13 S. (88, 13). — The viscosity of the vapour 

 of iodine, 8 S. (91, 15). — The proximity of 

 atoms in gaseous molecules, 10 S. — The simi- 

 larity betw. carbon dioxide &■ nitrous oxide, 

 6 S. (98, 21). — On the viscosity & molecular 

 dimensions of gaseous cyanogen, 6 S. (99, 21). 



Xature: Telephony by light, 2 S. (104, 1920). 

 — Speaking films, 2 S. (108, 21). 



Phil. Mag. : Stretching & tors. of lead wires 

 beyond the elastic limit (m. F. T. Trouton), 

 19 S. (8, 1904). — The decay of torsional stress 

 in soluts. of gelatine, 9 S. (11, 06). — The relat. 

 betw. viscosity & atomic weight for the inert 

 gases; with its applicat. to Ra emanat., 9 S. 

 (21, 11). — The relative dimensions of mole- 

 cules, 4 S. (29, 15). — The magnetic effects of 

 vibrat. in iron rods (m. F. B. Young), 5 S. 

 (38, 19). — The relat. betw. illuminat. & elec- 

 trica! conductivity in Se, 7 S. — Propagat. of 

 light in a gravitational field (m. L. Silberstein), 

 6 S. (39, 20). — The dimenss. of atoms, 4 S. 

 (40, 20). — Viscosity & molecular dimensions 

 of gaseous ammonia, phosphine & arsine (m. 

 C. J. Smith), 14 S. — The viscosities & mole- 

 cular dimensions of methane, sulphuretted hy- 

 drogen & cyanogen (m. C. J. Smith), 6 S. 

 (42, 21). — The molecular structure of car- 

 bonoxysulphide & carbon bisulphide, 9 S. 

 (44, 22). 



Physik. Zeitschr. :_ Viskosität d. Gase d. 

 A- Gruppe, 6 S. — Änderg. d. inneren Reibg." 

 d. Gase d. Argongruppe m. d. Temperatur, 7 S. 

 (11, 1910). 



Science Progress : Behaviour of over-strained 

 materials, 18 S. — Experim. on ether drift, 

 19 S. (1908). 



Siehe F. T. Trouton. 



Ranum, Arthur; Prof., Math., Univ., 

 Ithaca, N. Y., U. S. A. 



Amer. Journ. of Math.: The group-member- 

 ship of Singular matrices, 24 S. (31, 1909). — 

 The principle of duality in the geometry of the 

 sphere, 16 S. (34, 12). — On the projective dif- 

 ferential classificat. of N-dimensional spreads 

 generated by «i flats, 42 S. (37, 15). 



Amer. Math. Soc. Bull.: The matrices of 

 period a power of p in Jordan's linear congru- 

 ence groups, modulo p^, 10 S. (13, 1907). — 

 The gcneral term of a recurring series, 5 S. 

 (17, 11). 



Amer. Math. Soc. Trans.: The groups of 

 classes of congruent matrices, with applicat. to 

 the group of isomorphisms of any Abelian 

 group, 21 S. (8, 1907). — Conceming linear Sub- 

 stituts, of finite period with rational coeffi- 

 cients, 20 S. (9, 08). — The group of classes of 

 congruent quadratic integers with respect to a 

 composite ideal modulus, 27 S. (11, 10). — 

 On the differential geometry of ruled surfaces 

 in 4-8pace & cyclic surfaces in 3-8pace, 22 S. 

 (16, 15). 



