Title : 
Detection of films in valves
         
        
            Author : 
Reynolds, F.H. ; Rogers, M.W.
         
        
        
        
        
            fDate : 
6/1/1957 12:00:00 AM
         
        
        
        
            Keywords : 
conductivity measurement; electric impedance measurement; electric resistance measurement; electron tubes;
         
        
        
            Journal_Title : 
Electrical Engineers, Journal of the Institution of
         
        
        
        
            DOI : 
10.1049/jiee-3.1957.0173