A TREATISE 



ON 



ELECTRICITY 



AND 



MAGNETISM 



BY 



E. MA5CART, 



PROFESSOR IN THE COLLEGE DE FRAgtE, AND DIRECTOR OF THE CENTRAL 

 METEOROLOGY AL BUREAU ; 



J. JOUJERT, 



PROFESSOR IN THE COLLEGE ROLLIN. 



o 



TRANSLATED BY 



E. ATKINSON, PH.D., F.C.S., 



LATE PROFESSOR OF EXPERIMENTAL SCIENCE IN THE STAFF COLLEGE. 



VOLUME II. 



METHODS OF MEASUREMENT AND 

 APPLICATIONS. 



LONDON: 



THOS. DE LA RUE AND CO. 



no, BUNHILL ROW. 

 1888 



