Quote:
Originally Posted by Electronic M
Sometimes one can re-weld a break in the filament(if one can find a position at which it has intermitant continuity ie the halves of the break touch) by charging a capacitor and positioning the tube so the broken halves touch YMMV.
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The stuff we collectively know

here is remarkable.
Another source of HV, limited current is an oil burner ignition transformer. I may have an opportunity to do this.