Re: What are these ?
I've seen thermistors of that type bolted to large industrial (think thousand-amp thyristors in arc-welding and induction-furnace/heat-treatment gear) heatsinks for remote temperature-monitoring and (if necessary) automated shutdown.
The transformers look as if they are HF pulse=transformers of some kind. Old magnetic-core computer memory drivers used to be full of this kind of thing.
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