View cart “Electroscope, Pith Ball” has been added to your cart. Previous Product Next Product Friction Pad, Wool 6″x6″ Cloth-Wool, 6in. x 6 in. Friction Pad, Wool 6"x6" quantity ADD SKU: PH45042S-sp Category: Electrostatic Description Additional information Description Cloth-Wool, 6in. x 6 in. Additional information Description Cloth-Wool, 6in. x 6 in. Related products Quick View Quick View ElectrostaticElectroscope, Metal Case ADD Quick View Quick View ElectrostaticElectrophorus ADD Quick View Quick View ElectrostaticVan De Graff Generator ADD