1902.] and Ccesium, and their Mutual .Relations. 311 



Rubidium 



on. 



Oscillation frequencies. 



Differences. 



Observed. 



Calculated . 



3 



13498 



13496 -7 



— 1-3 



4 



16228-9 



16219 -6 



-9-3 



5 



17680 -9 



17671 -4 



-9-5 



6 



18543 -0 



18535-8 



-7-2 



7 



19098 



19091 -8 



-6-2 



8 



19480 



19470 -3 



-9-7 



m. 



Oscillation frequencies. 



Differences. 



Observed. 



Calculated. 



3 

 4 

 5 

 6 



13738 

 16466 -8 

 17918 -1 

 18781-5 



13734-7 

 16457 -6 

 17909 -4 

 18773 -8 



-3 -3 

 -9-2 

 -8-7 

 -7-7 



Csesium 



m. 



Oscillation frequencies. 



Differences. 



Observed. 



Calculated. 



3 

 4 

 5 

 6 

 7 



15171 

 16566 -7 

 17397 '2 

 17933 -9 



12609-3 

 15180 -2 

 16566 -1 

 17397 '3 

 17934 -7 



+ 9-2 

 -0-6 

 + 0-1 



+ 0-8 





m. 



Oscillation frequencies. 



Differences. 



Observed. 



Calculated. 



3 

 4 

 5 

 6 

 7 



15733 

 17120-2 

 17951 -6 

 18487 -3 



13162 -9 

 15733-8 

 17119-7 

 17950 -9 

 18488 -3 



+ 0-8 

 -0-5 

 -0-7 

 + 1-0 



