146 



REPORT — 1902. 



Thorium (Ultea-violet Spark Spectrum) — continued. 



Wave-length (Lohse) 



69-39 



49-02 

 48-61 

 48-22 



43-21 

 41-32 



30-70 



34-47 

 3274 



28-94 



26-42 



2585 



22-30 Ce ? 



Reduction to 

 Vacuum 



\ + 



1-27 



1 



a' 



6-9 



7-0 



