1902.] 



and Caesium, and their Mutual Relations. 



m 



Oscillation frequencies. 



Differences. 



Observed. 



Calculated. 



3 





12999 -6 





4 



16106-8 



16090 -8 



-16-0 



5 



17699-6 



17698 -7 



- 0-9 



6 



18640-3 



18640 -4 



+ 0-1 



7 



19240 -7 



19238 -7 



— 2-0 



8 



19642-5 



19642 -5 







9 



19926 



19927 -7 



+ 1-7 



Caesium 



m. 



Oscillation frequencies. 



Differences. 



Observed. 



Calculated. 



3 



10852-1 



10865 -7 



+ 13 -6 



4 



14335 



14327-9 



- 7-1 



5 



16089 -7 



16088 *2 



- 1-5 



6 



17102 -7 



17103 -6 



+ 0-9 



7' 



17739 -6 



17741 -9 



+ 2-3 



8 



18166 -2 



18169-2 



+ 3-0 



9 



18463 -8 



18469*1 



+ 5 -3 



10 



18682 



18687 -7 



+ 5-7 



11 



18848 



18851 -9 



+ 3-9 



m. 



Oscillation frequencies. 



Differences. 



Observed. 



Calculated. 



3 



11404 -1 



11413 -3 



+ 9-2 



4 



14873 



14875 -5 



+ 2-5 



5 



16632 -4 



16635-8 



+ 3-4 



6 



17649 -7 



17651 -2 



+ 1-5 



7 



18289-2 



18289 -5 



+ 0-3 



8 



18717 -0 



18716 -8 



-0-2 



9 



19016 -8 



19016 -7 



-o-i 



10 



19228 



19235 3 



+ 7-3 



11 



19396 



19399 5 



+ 3-5 



