Product code: Lot 9 Victoreen Corotron factory vacuum tubes GV5C-4000 and SGSP 215 NOS immerscope
All these tubes are from victoreen. eight tiny SGSP 215 and one bigger GV5C-4000. May have been spares for factory an Immerscope.
All these tubes are from victoreen. eight tiny SGSP 215 and one bigger GV5C-4000. May have been spares for factory an Immerscope.