For Experiments in Detection of Electric charge and Determination of Polarity
Rubber, Aluminium and Glass
Transparent and Red
Long Working Life and High Strength
Cash in Advance (CID), Cash Advance (CA)
500 Piece Per Day
Africa, Middle East, Western Europe, Eastern Europe, South America, North America, Central America, Australia, Asia
For experiments in detection of electric charge and determination of polarity. Consists of an Erlenmeyer ask 250mL, and a plated rod with a knob of diameter 16mm (2/3in) passing through a rubber stopper. A pair of aluminium leaves are suspended from the rod.