Radio valve data;  characteristics of 7,000 valves and cathode-ray tubes. 

 - London,  Iliffe,  1966 
 - 230 p.  illus.  28 cm. 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Vacuum-tubes.
<br/><br/><label>Dewey Class. No.: </label>621.3841  / RAD