TABLES 330-332. INDEX OF REFRACTION, 



TABLE 330. Index of Refraction of Rock Salt In Air. 



279 



where a 2 =_.^_._ J 

 ^1=0.01278685 

 Ai 2 = 0.0148 500 

 M 2 = 0.005343924 



A 2 2 = 0.02 5474 14 

 / =0.0009285837 

 /&= 0.000000286086 



^=5.680137 

 MS= 12059.95 

 A 3 2 =36oo. (P) 



TABLE 331.- - Change of Index of Refraction for 1 C In Units of the 5th Decimal Place 



L Annals of the Astrophysical Observatory 

 of the Smithsonian Institution, Vol. I, 1900. 

 M Martens, Ann. d. Phys. 6, 1901, 8, 1902. 

 Mi Micheli, Ann. d. Phys. 7, 1902. 



P Paschen, Wied. Ann. 26, 1908. 

 PI Pulfrich, Wied. Ann. 45, 1892. 

 RN Rubens and Nichols, Wied. Ann. 60, 1897. 



TABLE 332. Index of Refraction of Sylvlte (Potassium Chloride) In Air. 



M l 



i+ 



Af l 



^=0.0255550 

 =0.000513495 

 ^=0.000000167587 



(P) 



MI = 0.008344206 



Ai 2 = O.OI 19082 



MZ = 0.00698382 

 W Weller, see Paschen's article. Other references as under Table 33*> above. 



#2=3.866619 

 M s = 5569.7 1 5 

 A 3 2 = 3292-47 



SMITHSONIAN TABLES. 



