Applied Electricity a General Reference Work and a Home Study Course 4 

 - Chicago :   American Technical Society,   1947 
 - vp.  : ill 
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<br/><br/>v. 4.   
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electricity
<br/><br/><label>Dewey Class. No.: </label>621.3  / AME