302 



Prof. Richardson and Lieut. Bazzoni on the 



lines in this gas between \900 and X1200. Our results with 

 hydrogen are thus in substantial agreement with Lyman's, 

 although, as we have already pointed out, in Lyman's method 



Fig. 7. — Radiation in Hydrogen. 



Mm. in 



30sec. 



50 



2 «4 -6 -8 1-0 VZ !-4 l»6 Amperes 



Scale for X and v as on fig. 6. 



it^is to be expected that all radiation highly absorbable in the 

 gas experimented with will be lost, so that it would not be 



