Electronic tubes  vol. 1, receiving type 
General Electric Co.,                                        
 - New York  Schenectady  1954 
 - [various pagings.] 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic tubes
<br/><br/><label>Universal Decimal Class. No.: </label>621.38  /  ELE-1