Advanced dual trace oscilloscope :   using the tektronic scope-english    

 - Crowborough :  Audio Visual Source,       
 - Videocassette;   19cm.    
 - Bergwall Production-series1    .
<br/><br/> VHS/NTSC    
<br/><br/><label>ISBN: </label>2004000086    
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trade oscilloscope--tektronic scope