Eddy current (Waltenhof) pendulum, complete

For demonstrating eddy currents and Lenz's rule, simple, fast and safe;
the slotted pendulum plate swings unbraked by the magnetic field, whereas the full pendulum plate is strongly decelerated;
Boom made of robust steel, powder-coated, axle bearing for the pendulum plates at the top, strong magnetic field at the bottom due to two neodymium magnets.

3 pendulum plates made of aluminium, 1 x solid, 1 x perforated, 1 x slotted
Pendulum plates: 290 x 80 x 3 mm
Boom: 120 x 100 x 310 mm
Total weight: approx. 1683 g