Unknown tube, no marking
              Tube inconnu, aucun marquage
              Unbekannte Röhre, keine Kennzeichnung
			  A part of the mesh inside the tube is impregnated with some low melting point metal. There is a small gap between the top electrode and the bottom internal electrode, which is partially surrounded by a glass cylinder.
              Aucune information disponible. Toute aide est bienvenue !
                  No information available. Any help welcome!
                  Keine Information verfügbar. Jede Hilfe willkommen!
               
              
			  Hauteur • Height • Höhe : 116 mm • 4" 5/8
			  Diamètre • Diameter • Durchmesser : 25 mm • 1"
			  
			  
              
              
              
			   
Le contenu de ce site est sous copyleft 
 The content of this site is under copyleft 
 Der Inhalt dieser Website steht unter Copyleft