280 



TABLES 333-336. 

 INDEX OF REFRACTION. 



TABLE 333. -Index of Refraction of Fluorite in Air. 



where a' 2 = 2.03882 



Ai' 2 = 0.007 706 

 * = 0.003 1 999 



/== 0.0000029 1 6 

 ^ = 6.c 



6.09651 

 J/ 2 =o.oo6i3 

 A, 2 = 0.00884 



71/3=5114.65 



A r 2 = 1260.56 



Aj, = 0.0940;* 



(P) 



TABLE 334. Change of Index of Refraction for 1C in Units of the 5th Decimal Place. 

 C line, 1.220; D, 1.206; F, 1.170; G, 1.142. (PI) 



TABLE 335. -Index of Refraction of Iceland Spar (CaCO :t ) in Air. 



C Carvallo, J. de Phys. (3), g, 1900. 



M Martens, Ann. der Phys. (4) 6, 1901, 8, 1902. 



P Paschen, Wied. Ann. 56, 1895. 



PI Pulfrich, Wied. Ann 45, 1892. 



RA Rubens-Aschkinass, Wied. Ann. 67, 1899. 



S Starke, Wied. Ann. 60, 1897. 



TABLE 336. Index of Refraction of Nltroso-dimethyl aniline. (Wood.) 



Nitroso-dimethyl-aniline has enormous dispersion in yellow and green, metallic absorption in violet. See Wood. 



Phil. Mag. 1903. 



SMITHSONIAN TABLES. 



