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Semiconductor Black Tourmaline Crystal Radio Detector Diode Cast in Brass Cup

$ 5.28

Availability: 100 in stock
  • Condition: New
  • Return shipping will be paid by: Buyer
  • Refund will be given as: Money Back
  • Item must be returned within: 30 Days
  • All returns accepted: Returns Accepted

    Description

    If you enjoy evaluating alternative Minerals for Crystal Radio Detectors
    Semiconductor Black Tourmaline Crystal Radio Diode Cast in Brass Cup
    Experimental Semiconductor Crystal Radio Diode Cast in Brass Cup
    Size, Color and shape may vary from pictures
    Black Tourmaline
    has
    electrical characteristics possibly making it suitable for use as
    a
    Crystal Radio
    detector
    1 piece
    Crystal
    Black Tourmaline
    Crystal mounted and Cast in a 13mm" Diameter brass cup
    Casting alloy is made from Lead, Tin and Bismuth-Cadmium Free