Load. 



1 

 2 

 3 



4 

 5 

 6 



7 



Load. 

 1 



2 

 3 



4 

 5 



6 



OF ARTS AND SCIENCES. 95 



TABLE II. 



Electrodes. — Platinum, Platinum. 

 Load. Current. Remarks. 



Quality good ; fluttering, 

 metallic. 



fluttering. 



Electrodes. — Carbon, Carbon. 



Electrodes. — Platinum, Carbon. 

 Load. Current. Remarks. 



Harsli and loud. 



Quality good and clear, some fluttering. 



U it it tt te 



Faint, fluttering. 



Electrodes. — Carbon, Platinum. 



