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That might be some kind of coil, possibly a peaking coil in which case 10 Ohms would be about right.
If the tube heaters are not lighting up that's where you need to start looking.
I think they may be powered from a winding on the Flyback which is why I asked if the set had high voltage, no HV no heaters, I could be wrong however and they are powered from a transformer.
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