THE 

 LONDON, EDINBURGH, and DUBLIN 



PHILOSOPHICAL MAGAZINE 



AND 



JOURNAL OF SCIENCE. 



[FIFTH SERIES.] 



NOVEMBER 1892. 



XLV1. On Oscillations that occur in the Charging of a 

 Condenser. By Wm. Lispenakd Robb, Ph.D., Trinity 

 College, Hartford, Connecticut* . 



IN some recent measurements of the relation between the 

 charge of a condenser and the time of charging, the 

 time of charging being made as small as possible, I have 

 applied a method suggested to me by Prof. H. F. Weber for 

 obtaining small times. 



Fig. 1 represents the connexions for charging the condenser. 



Tier. 1. 



Earth 



E denotes the battery used in charging the condenser C, and 

 S x and S 2 two steel spheres. S 2 , the larger of the spheres, 

 was stationary, and in all the following experiments a sphere 

 7 centim. in diameter was used. For the smaller sphere, S 2 , 



* Communicated by the Author. 

 Phil. Mag. S. 5. Vol. 34. No. 210. Nov. 1892. 2 E 



