Optical Properties. 



891 



7305 



Becquerel, H. et J. et Kamerlingh 

 Onnes. 64217. Phosphorescence des 

 sels d'uranyle aux tres basses tempera- 

 tures. 



Beger. G4248. Leuchten des Ozous. 



Bloch. 64490. Phosphorescence et 

 o.xydation de rarsenic. 



Bruninghaus. 64786. Relation autre 

 raljsori:)tion et la phosphorescence. 



64787. Loi de roptimura 



de phosphorescence. Essai de theorie. 



Dzierzbicki u. Kowalski. 65075. Plios- 

 phoreszenz von organischen Snbstanzen 

 bei niedrigen Tempera turen. (Polish.) 



Kowalski. 68047. Declin de la 

 phosphorescence dans les temperatures 

 basses. (Polish.) 



et Dzierzbicki. 68048. 



Phosphorescence aux basses tempera- 

 tures de quelques substances organi- 

 ques. 



Urbain. 71864. Phosphorescence 

 cathodique des terres rares. 



Vanlno u. Zumbusch. 71903. Bolo- 

 gneser Leuchtsteine. 



Wilkinson. 72358. Phosphorescence 

 of some inorganic salts. 



Winawer. 72390. Dielektrische 

 Untersuchungen, insbesondere an Erdal- 

 kaliphosphoren. Diss. 



Triholumhicsaence. 

 Trautz. 71752. Bemerkungen zu 

 Gernez : Tribolumineszenz . 



Badiation. 

 Barkla & Sadler. 64105. Absori> 

 tion of Rontgen rays. 



Brown. 64740. Kinetic energy of 

 the positive ions emitted from various 

 hot bodies. 



Barkla. 64104. Phenomena of X-ray 

 transmission. 



Campbell. 64926. Absorption of 

 yS-rays by liquids. 



Courmont, Nogier et Rocbaise. 65210. 

 Eft'ets an point de vue chimique (ozone, 

 etc.) de rimmersion dans I'eau de la 

 lampe en quartz a vapeur de mercure. 



Crowther. 65242. Secondary Ront- 

 gen radiation from air and ethyl bromide. 

 65243 : Passage of Rontgen rays through 

 gases and vapours. 



Doelter. Einwirkung von Radiuui- 

 und Rontgeustrahlen auf die Farben der 

 Edelsteine. M., 29, (1145). 



Eve. 65871. Primary and secondary 

 gamma rays. 



Fery et Cheneveau. 65965. Rayon- 

 nement total et monochromatique des 

 lampes a incandescence. 



Fiscber. 66063. Diskontinuierliche 

 Katholuminesceuzspektra einiger aro- 

 matiseher Verbindungen. Diss. 



Flascbner. 66075. Action of j3-rays 

 on ^photosensitive solutions. 



Hackett. 66864. Secondary radia- 

 tion excited by y rays. 



Haselfoot. 67014. Charges on ions 

 produced by radium. 



Henriot. 67116. Rayonnement des 

 sels de potassium. 



Kleeman. 67847. Velocity of the 

 cathode rays ejected by substances ex- 

 posed to the 7-rays of radium. 



Madsen. 68745. Secondary y radia- 

 tion. 68746 : Scattering of the /3-rays 

 of radium. 



Makower. 68779. Number and ab- 

 sorption by matter of the y3-particles 

 emitted b}- radium. 



Lenard. 68381. Lichtemission und 

 deren Erregung. 



■_ u. Saeland. 68382 Licht- 



elektrische und aktinodielektrische Wir- 

 kung bei den Erdalkaliphosphoren. 



Lombard. 68601. Effets chimiques 

 et biologiques des rayons ultra-violets. 



Metcalfe. 69028. Ionization in various 



gases. 



Meunier. 69035. Conditions neces- 

 saires pour que le platine se maintienne 

 incandescent dans I'interieur dn briileur 

 Bunsen. 



Pound. WMl. Absorption of the 

 different types of beta- rays, together 

 with a study of the secondary rays 

 excited by them. 



Purvis. 70081. Radiation of various 

 spectral lines of neon, helium and sodium 

 in a magnetic lield. 



Rutberford & Royds. 70581. Nature 

 of tiie a-jxirticle from radioactive sub- 

 stances. 



Soddy it Russell. 7 1 202. 1 he •)-rays 

 of uranium and radium. 



