Radio Corporation of America <br/><br/>
RCA receiving tube manual 

 - Harrison, Estados Unidos   RCA  1963 
 - 544 p.     21 cm.*il. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>RADIORRECEPTORES<br/>TUBOS AL VACIO
<br/><br/><label>Dewey Class. No.: </label>621.381/R219