Motorized with 220 volt 50 hz motor in acrylic case with belt arrangement, removable polished aluminium metal sphere of 165mm dia at the top spherical discharger of 75mm dia mounted on a rod drilled at the end to take a 4mm plug. Gives a spark length of 70mm approx the main metal dome has a socket on top in which different accessories can be attached. One spare belt supplied. Complete with 3 core p.V.C covered mains cable for connection to main supply. All apparatus complete with accessories.
