Say, M.G <br/><br/>
Direct Current Machines/ 
M.G. Say and E.O. Taylor. 
 - 2nd ed. 
 - London:  English Language Book Society,  c1985. 
 - ix, 391p.;  ill,;  21cm. 
<br/><br/> Includes Index. 
<br/><br/><label>ISBN: </label>0273024566 
<br/><br/><label>Subjects--Personal Names: </label><br/>Technology.
<br/><br/><label>LC Class. No.: </label>TK 2611  / .S29 1985.