Ghirardi, Alfred A. <br/><br/>
Radio Physics Course :  an elementary text book which explains the principles of  electricity and radio / 
by Alfred A. Ghirardi. 
 - 2d ed., rev. and enl. 
 - New York :  Radio & Technical Publishing co.,  c1933. 
 - xiv, 972 p.  front., ill., diagrs ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>LCCN: </label>42034021  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio.
<br/><br/><label>Dewey Class. No.: </label>621.384  / GHI