G LITERATURE OF THE BPEI rBOSCOPE. 



roggendorffi J, ( !.). Handworterbuch derexacten WisBenschaften. Leip- 

 zig, 1858-63, 2 v. la., lex. 8°. 



Powell ( Ki v. I»;i<l«-n . Report on Radiant Heat. British Association 

 I : ■ i . t ~ . , l, 295. 



. Researches towards establishing a Theory of the I 1 



■ P Light. ! L835) 549, I L837 288, L839 1. 



Priestley I Dr. Joseph . An Account of all the prismatic Colours, made 

 by electrical Explosions on the Surface of P Metal. Phil. 



Trans., 58 (1768), f>8. 



Ritter. 



(In 1801 he exposed muriate of Bilver in various p;irt- of the Bpectrum 

 1 found that the action was least of all in the red, greater in the 

 yellow, and greatest beyond the visible violet rays. Forbes, in B 

 16. 594.) 



Rohison (John). A System of mechanical Philosophy, with notes by 

 David Br< wst< r. London, 1822, 4 vols., 8°. See chapter on the 

 telescope, III, 403-522. 



I; i 0. N. . Newton's Use of the Term Indigo with Reference to a 

 Color of the Spectrum. Amer. Jour. Sci., ■'■'■> 19. L35-7; Bei- 

 blatter, 4, 460 Abs. . 



Rowland H. A. . On recenl Progress in photographing the Bolar 

 trum. Rept. British Assoc. 1884 . ' 135. 



Rudberg Fr. . Dispersion de lalumiere. Ann.de Chimie et de Phy- 

 sique, 36. 439. 



. Sur la refraction des rayons diflSremmenl colore* dans 



cristaux a un ou deux axes optiques. Ann. de Chimie et de 

 Physique, 48. 22 



Ruprecht (Rudolph). Bibliotheca chemica et pharmaceutica. Leipzig, 

 1858 7" 



Rutherfurd I-. M.). Construction of the Spectroscope. Amer. .T"ur. 

 Sci., 3 39. 1 869), 129. Note by Ditscheiner in Skzungsber. d. 

 Wiener Akad., 52 II. 542, 56 



Schwerd F, M l. Die B einungen sua dem Fundamental- 



• d r In': ilati mstheorie analytisch entwickelt und in Bildern 

 dargestellt, Mannheim, I 



i \ I. Sdl.il. Expose* des principalea D modernes 



sur la Structure de cet Asti Paris, Gauthier-Villars, 1870. 

 Nature, 13. I 



