Valley, George Edward,  1913- <br/><br/>
Vacuum tube amplifiers. 

 - New York,  Dover Publications  [1965] 
 - xvii, 743 p.  illus.  22 cm. 
<br/><br/><label>LCCN: </label>65022732 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Amplifiers, Vacuum-tube.<br/>Electronic apparatus and appliances.
<br/><br/><label>LC Class. No.: </label>TK7872.A5  / V3 1965