Say, M. G.  1902- <br/><br/>
Direct current machines / 
M. G. Say, E. Openshaw Taylor. 
 - New York :  Wiley,  c1980. 
 - x, 380 p. :  ill. ;  23 cm. 
<br/><br/> "A Halsted Press book." 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0470268387 
<br/><br/><label>LCCN: </label>79019519  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric machinery--Direct current.
<br/><br/><label>LC Class. No.: </label>TK2611  / .S29 1980 
<br/><br/><label>Dewey Class. No.: </label>621.31042