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"

 

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