Say, M. G. <br/><br/>
Direct Current Machines / 
Say M. G. and Taylor E. O. 
 - London :  PitmanBooks,  1985. 
 - x, 396 pages :  ill ;  24 cm 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0273024566 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric machinery