Langsdorf, Alexander Suss,  1877-  [from old catalog] <br/><br/>
Principles of direct-current machines / 
Alexander Suss Langsdorf, 
 - 6th ed.  International student edition 
 - New York :  McGraw-Hill,  c1959. 
 - 363 p. :  illus. ;  21 cm. 
<br/><br/> Includes index. 
<br/><br/>
<br/><br/><label>LCCN: </label>58014356  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric machinery--Direct current.
<br/><br/><label>LC Class. No.: </label>TK2612  / .L3 1959 
<br/><br/><label>Dewey Class. No.: </label>621.3132/LAP