The 30cm copper tube has a windowed groove down the side that permits observation of the descending magnet or slug. Observe the effects of eddy currents as the magnet ﬂoats downwards, apparently defying gravity. Supplied with metal slug and a similar sized magnet.
Cash in Advance (CID), Cash Advance (CA)
500 Pole Per Day
Main Export Market(s)
Africa, Middle East, Western Europe, Eastern Europe, South America, North America, Central America, Australia, Asia