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Questions about tubes and gear that glows. FAQ

RE: Anyone used an induction heater to re-activate the getter?

In my younger years I did built a few reflector telescopes and made my own vacuum coater for the telescope mirrors. Had to get some deep vacuum otherwise the reflective coating would just come off. Learned the value of slowly heating the tungsten filament. The things we figured out before the days of the internet or satelites, far more satisfying and a slower pace of life to boot. But one could not get the quality parts to build a tube amplifier these days without the web so not all is bad.

AM


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