THE THEORY 



OF 



ELECTRICITY AND MAGNETISM 



BEING 



LECTURES ON MATHEMATICAL PHYSICS 



BY 



ARTHUR GORDON WEBSTER, A.B. (HARV.), PH.D. (BEROL.), 



'i 



ASSISTANT-PROFESSOR OF PHYSICS, DIRECTOR OF THE PHYSICAL LABORATORY, 

 CLARK UNIVERSITY, WORCESTER, MASSACHUSETTS. 



ILonfcon 

 MACMILLAN AND CO., LIMITED 



NEW YORK: THE MACMILLAN COMPANY 

 1897 



[All rights reserved.] 



