Kloeffler, Royce G, et al <br/><br/>
Direct-Current Machinery   
by Royce G Kloeffler et al 
 - New york  Macmillan Company  1934 
 - xvii,403p 
 - Engineering science Series .
<br/><br/><label>Dewey Class. No.: </label>621.3132  / N34