134 LITERATURE OF THE SPECTROSCOPE. 



Quinan, W. R. Some physical aspects of the new gas, Argon. The 

 ideal therm ometrical substance for high temperatures. J. Amer,- 

 Chem. Soc. 17 (1895) 477-483. 



R 



Radau. Sur la theorie des refractions astronomiques. Bull, astron. 



I (1884.) I, 

 Raddi, A. Der Intensivbrenner Auer, liber seinen Niitzen und Ver- 



gleiche mit dem electrischen Licht. Beibl. (1894) 997. 

 Radiguet. Fluorescence des matieres vitrifiees, sous Taction des 



rayons Rontgen. C.-R. 124 (1897) 179-180. 

 Raid, H. F. Theory of the Bolometer. Amer. J. Sci. (3) 35 (1888) 



160-166; Beibl. (1888) 337. 

 Rambatit, A. A. On the inequality in the apparent diurnal move- 

 ment of stars due to refraction, and a method of allowing for 



it in astronomical photography. Mon. Not. 57 (1896) 50- 



62. 

 Ramsay, W. Ueber die Absorption des Lichtes im Epidot vom Sulz- 



bachthal. Ztsch. f. Kryst. u. Min. 13 (1887) 97-134; Beibl. 



(1888) 53.— See Becquerel, C.-R. 108 (1889) 282-284. 

 . A gas showing the spectrum of Helium, the reputed cause 



of D3, one of the lines in the coronal spectrum. Proc. Roy. 



Soc. 57 (1895) 65-67. 

 . A gaseous constituent of certain minerals. Proc. Roy. Soc. 



57 (1895) 81-89; Chem. News 71 (1895) 151; Beibl. (1895) 634. 

 . A possible compound of Argon. Chem. News 72 (1895) 



4i-43> 51. 53-54, 72. 

 and y. A^. Collie. Helium and Argon. Chem. News 73 (1895) 



259-260. 

 . Terrestrial Helium (?). Nature 51 (1895) 512; Astrophys. 



J. I (1895) 439, abs. 

 vs. 7. A''. Lockyer. Terrestrial Helium (?). Nature 52 (1895) 



7-8. 

 and J. A\ Lockyer. Terrestrial Helium. Nature 52 (1895) 



55-57- 

 . Argon and Helium in meteoric iron. Nature 52 (1895) 



224-225; C.-R. 120 (1895) 1049-1050. 

 , J. N. Collie, and M. W. Tr avers. Helium, a constituent of 



certain minerals. Nature 52 (1895) 306-308, 331-334- 

 . Attempt to liquefy Helium. Nature 52 (1895) 544. 



