Separation of the Spectral Lines of Thorium 



47 





H 



+ 



+ + I I 



I + 



I 

 1 N N Tf ro fO M t^ ro pi SO "- N iflUlHN PI M PI 



I + + 



BMHOON"f!»M 



+ 



• « SO NO i-c ro rosO - — n-5«vO>-~f>«r<-) 



no^OC/0 ci >ouiti pi tnso ro ui o O Zi O O M fOO O no d " r^ ro 

 p~.no r-» ponO Onso O O pi rOfi On r^ •- On »- On""! pi CO rf ^-oo OvO * 

 «A Tf ON O ""> Tf Pi Pi oV m OnSO' ±n pfi Pi o' On r^-NO' NO - ifl »' O N t-^vO O 

 nO NO i^i^iPii^uT^Tj-Tfr^rof^r^mrOfi PI PI pi pi pi pi — ~ — •— 



.5 ^ 



O ©J? 



<v 



+ 



+ 



Tf PI PI I- Tf 





M M "1 fl m n » fl "■ m >■ 



u-l « u-> CI u-i — Tj" P) 



+ 



+ 



o pi n pi x — ci — ■ 



135 



