7-Piece Electrostatics Accessory Kit for Van de Graaff and Wimshurst Electricity & Magnetism_Electromagnetism & Motors this polished-wood test tube rack

this polished-wood test tube rack holds six tubes up to 22 mm and supports both storage and inverted drying

designed to slot onto the demountable U-core and combine with other coil ratios for electromagnetic induction demonstrations

5-inch inner-diameter end tubes

this eight-fork steel set lets students hear and measure frequency

varying length isolating density as the single variable across materials

7-Piece Electrostatics Accessory Kit for Van de Graaff and Wimshurst Electricity & Magnetism_Electromagnetism & Motors this polished-wood test tube rackSeven piece accessory kit pairing with Van de Graaff and Wimshurst machines, including Faraday's pail, comb, neon bulb, head of hair, electric whirl, and a four sphere Perspex cylinder.