irect-.-and Alternating-Current 
Machine Design 
Being Instructions for the Design of 
Motors and Generators 
BY 
FRANCIS B. CROCKER, E.M., Ph.D. 
Professor of Electrical Engineering in Columbia University, New York 
Pasi-President of the American Institute of Electrical Engineers. 
AND 
THEODORE TORDA 
HILAL LABORATORY, 
; if . 7 ’ Ww ‘he - 
FAGULTY OF APPLIED SCIENCE. 
pare cccocupauanvarpapadnensnennenen@nnranennsie? cd 
cae —-— POC CS Ce aan — 
~~ + Ae 
NEW YORK 
McGRAW PUBLISHING COMPANY 
1908 
