Dr. W. H. Eccles on Col 



"76 ui\ vv . n. j^ccies on Coherers. 



to that obtained by interrupting a telephone current of one 

 microampere 22 times per second, then the power passed from 





be 



T* 





the defector into the telephone circuit is 4'38 x 10~ 12 watt, 

 i. e. 4'38 x 10~ 5 erg per second. By the aid of this factor, 

 the curves of fios. 2 and 3 were drawn. 



