Tesla Coil, Tabletop, 220/240V, 50/60Hz, hands-free. It teaches about transformer, electromagnetism, resonating electrical circuit, inductance, capacitance, power transmission. The set consists of two antenna plate, small neon lightbulb, mini discharge electrode and lamp socket.
Highly evacuated electron tube with focusing electron gun and fluorescent screen inclined relative to the beam axis, so that the path of the beam can be seen and the effects of electric and magnetic fields can be studied.