Cathode and Canal Rays (F+0)

  F+0+0 Vacuum tube with screen show cathode rays bent with a magnet.
  F+0+5 Vacuum tube with metal cross makes shadow with cathode rays.
  F+0+10 Vacuum tube with paddlewheel spins from cathode ray impact.
  F+0+15 Braun tube (CRT) with magnetic and electrostatic deflection.