7-Piece Electrostatics Accessory Kit for Van de Graaff and Wimshurst, Alternate Model Material_Zinc 5cm coil diameter on a

5cm coil diameter on a 5cm closed-length helix

Four 153 x 76mm plates - each holding 98 iron-rod plotting compasses in a 14 x 7 matrix - assemble flat or as the faces of a cube to display 2D and 3D field-line patterns

Teclu burner runs on natural gas with needle valve flame adjustment to produce a high-temperature

this 80mm steel needle in a 6mm rod doubles as a precise alignment reference for image-formation and ray-tracing setups

7-Piece Electrostatics Accessory Kit for Van de Graaff and Wimshurst, Alternate Model Material_Zinc 5cm coil diameter on aAlternate seven piece electrostatics kit for Van de Graaff and Wimshurst generators, bundling Faraday's pail, comb, point discharger, neon bulb, electric whirl, and a Perspex cylinder.