Guest guest Posted February 7, 2007 Report Share Posted February 7, 2007 Hello Brian, Yes thank you for bringing up the " crystal receiver " radio set. Another aspect is " Piezio electricity " or electricity derived directly from crystals - quartz. I have heard of the qualities of quartz being able to emit a spark, a visible spark, but have no experience there. I would suggest cheap watches. - blessings Brian - chrism Quote Link to comment Share on other sites More sharing options...
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