---

 

  G1: Telegraph equipment,
      power source, old stuff







  G2: Solenoids, Looping wire,
      St. Louis motor, Item





  G3: Transistor demo,
      solenoids, toroid, Filings
      for field demo, Number of
      coils demo


  G4: Jumping wire demo,
      Filings in a solenoid demo,
      LoggerPro Solenoid




  G5: Magnets, Compasses,
      Mystery objects, Magnetic
      Snowglobe, Iron filings,
      Ferrofluid




  G6: Jumping ring, Magnetic
      Force Launcher, Compass
      on a wire, Aluminum slabs
      for magnetic eddies