136 POPULAR LECTURES AND .ADDRESSES. 



ment, especially electromotive force and capacity, 

 electro-static, or electro-magnetic, with the com- 

 paring number " v" These are the things we 

 want to advance and perfect, in order to give a 

 satisfactorily scientific character to this great 

 system of absolute measurement, of which I 

 have endeavoured to trace and explain the 

 origin. 



