Van de Graaff electrostatic generator
Van de Graaff electrostatic generator, by Griffin and George, United Kingdom, 1980
Van de Graaff electrostatic generator, by Griffin and George, United Kingdom, 1980
Van de Graaff electrostatic generator, by Griffin and George, United Kingdom, 1980
Spherical device from Van de Graaff electrostatic generator, by Griffin and George, United Kingdom, 1980
Control unit for Van de Graaff electrostatic generator, by Griffin and George, United Kingdom, 1980