DIRECT AND ALTERNATING 

 CURRENT MANUAL 



WITH DIRECTIONS FOR TESTING AND A DISCUSSION 

 OF THE THEORY OF ELECTRICAL APPARATUS 



BY 



FREDERICK BEDELL, Pn.D. 



PROFESSOR OF APPLIED ELECTRICITY IN COKNELL UNIVERSITY 



ASSISTED BY 



CLARENCE A. PIERCE, PH.D. 



SECOND EDITION, ENLARGED AND REVISED 



NEW YORK 

 D. VAN NOSTRAND COMPANY 



23 MURRAY AND 27 WARREN STREETS 



LONDON: CONSTABLE & CO., LTD. 



1914 



