252 



PROCEEDINGS OP THE AMERICAN ACADEMY 



Condenser No. 10. 



When as short a time as 0.002 sec. was tried in charging Nos. 14 

 and 15, the discharge exceeded the charge, but the results were too 

 irregular to warrant any definite conclusions. 



The first column of the following table represents the fiill charge, 

 the second column the first residual discharge, the third the following 

 residual discharges after the intervals denoted in the fourth column. 



Condensers Nos. 1 and 2. 



t After 1090 minutes' insulation. 



t Equals sum of residual discharges the next 20 minutes at short intervals. 



