"Decibel", [Pseud.] <br/><br/>
A first course in wireless:  being a reprint in book form of series of articles which appeared in world radio under the title " The Radio Circle: for Beginners Only"/ 
"Decibel," [Pseud.] 
 - 2nd ed. 
 - London:  Sir ISAAC Pitman,  1945 
 - vii, 221 p.;  18 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio--Study and teaching<br/>Radio circuits<br/>Amplifiers (Electronics)
<br/><br/><label>Dewey Class. No.: </label>621.384