Johnson, J Richard <br/><br/>
Electric circuits 

 - 
 - San Francisco  Rinehar  1970 
 - 2v.   
<br/><br/> v.1.direct current  
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<br/><br/><label>Subjects--Index Terms: </label>Electric circuits  Electricity 
<br/><br/><label>Dewey Class. No.: </label>620.3.049