348 Mr Purvis, The influence of a very strong magnetic field 



A 



dx/\ -2 



In- 

 tensity 







+ 1-56 



3 





3437-0 







2 







-1-53 



3 







+ 2-31 



3 





3428-5 







2 







-2-37 



3 







+ 1-25 



3 





3417-4 







2 







-1-25 



3 







+ 1-89 



5 



' 



3339-8 







3 







1 

 1 



1 



1 



The most refrangible constituent of 3339-8 

 widens into the least refrangible one of 3339 -6. 



3339-6 







3 







-2-16 



5 



' 



3294-2 







Too weak to measure. 





+ 1-73 



5 





3228-5 







3 







-1-76 



5 







+ 1-97 



5 





3177-0 







3 







-2-00 



5 





3093-8 







V 



3056-7 





r The constituents are all too weak to measure. 



3036-4 





3 







+ 1-14 





2991-5 







2 







-1-14 



3 





2988-8 







Too weak to measure. 





+ 1-62 



5 



2979-9 







3 





2979-6 



1 



1 

 



1 



1 

 3 



The most refrangible constituent of 2979-9 

 y widens into the least refrangible one of 

 2979-6. 





-1-65 



5 



) 



