Siskind, Charles S. <br/><br/>
Direct current machinery / 
Charles S. Siskind. 
 - New York :  McGraw-Hill,  1952. 
 - viii, 319 p. :  ill. 
 - McGraw-Hill electrical and electronic engineering series .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric generators--direct current.<br/>Electric motors, Direct current.<br/>Electric machinery--direct current.