ON THE REFRACTIVE INDEX OF GASEOUS FLUORINE. 



323 



oo 

 T3 



rH 



I 



> 

 <B 







'S 



3 







03 

 03 

 O> 



O %- 



I 



09 



B-S. 



i J 



jh 



53 



PH 



X 



W 



W tJ 



'S -2 



.-3 cu 



- I 



cS 



?s 



1 1 

 * 



to 

 -|J 



g 



<D 



S 



g 



* 

 CD 



cS 



00 



in 



o 



O 



o 



o 



III 

 ? 



21 J 



-tf "^ 



111 



2 T 2 



