Tables 330-332. INDEX OF REFRACTION. 



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



2/9 



--a^+: 



Mx 



.+ . 



M. 



■k\^ — hK^ox^b--\-: 



Mx 



A.- — \^ ' A'^ — A2- A.-' 



where ^2^=2.330165 A-2' = o.025474i4 



.(^/i=: 0.0 1 278685 /('=o.ooo9285837 



Ai-=o.oi4S50o /; =0.000000286086 

 .^2=^=0.005343924 



z + : 



M<, 



M. 



Ai^ ■ a2— A22 A32— A2 

 ^2=5.680137 

 ^1/3= 1 2059.95 

 A32 = 36oo. (P) 



TABLE 331.- — Cbange of Index of Refraction for 1° C In Units of the Stb 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 Svltrlte (Potassium Chloride) In Air. 



«2=a2^_ 



Mx 



> + : 



Mo 



A- — Ai2 ' A- — A2- 



2.174967 A22 = 



0.008344206 k- 



o.oi 19082 h- 



0.00698382 

 W Weller, see Paschen's article. 

 Smithsonian Tables. 



/•a2- //A* or = /'2_|_ 



A2 



M^ _ Ml 



^^2 + v^ 



i + : 



Mz 



=0.0255550 

 .0.000513495 

 : 0.000000 1 67 587 



(^2=3.866619 

 ^A= 5569-7 IS 



A32 = 3292.47 (P) 



Other references as under Table 33I»above. 



