Heafford, Philip E. <br/><br/>
Electric currents 

 - London  ; Longman  , 1956 
 - 80p. 
<br/><br/><label>ISBN: </label> 36.75 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric Currents<br/>Electrical Engineering<br/>Engineering
<br/><br/><label>Dewey Class. No.: </label>621.3  / HEA