120 DE. W. G. DUFFIELD, MESSRS. THOS. H. BURNHAM AND A. H. DAVIS ON 



2-0- 



1-5- 



tn 



01 



e 



I-O- 



P- 

 0-S- 



Series C 



2-O- 



-- 10 <a nips. 



1-5- 



<0 



ti 







I-O- 



OJ 



Anode 



3 amps. 



Series C 



Cathode 



r i i 



o 5 10 o 5 



Arc-lenpfh in mms. Arc-length in mms. 



Fig. 11. From Table VII. 



probably real ; no reason is known for the discrepancy between the two sets of 

 readings in fig. 12. 



I-O 



<n 

 Z? 



0-5- 



<o 



c^ 



Series C 



Anode 



Arc-leagth in mms. 

 Fig. 12. From Table VIII. 



