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  A1: Crooks Tubes










  A2: Radiometers, Geisler
      tubes, Plasma Star


  A3: Fluorescent and UV
      bulbs, fluorescent rocks



  A4: Radio electroscope,
      Lamps, Microwave
      receiver, Crooks Tube,
      Fluorescent jar



  A5: Glowing Pickle,
      Cardboard scraps






   A6: Projection device