NEMA industrial control standards ... 

 - New York,  National electrical manufacturers association,  1933. 
 - 42 p., 1 l.  illus.  27 cm. 
 - Its Publications,  no. 33-17 .
 - National Electrical Manufacturers Association.  Publications,  no. 33-17. .
<br/><br/><label>LCCN: </label>ca 33000978  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric controllers.
<br/><br/><label>LC Class. No.: </label>TK7  / .N35 no. 17 
<br/><br/><label>Dewey Class. No.: </label>621.3174