58.3 x 24.5 x 63 Cristal, steel, brass, carved wood, leather and horn
Glass disc electrical machine
58.3 x 24.5 x 63 Cristal, steel, brass, carved wood,
leather and horn
Sigaud de la Fond, Joseph-Aignan, Description et Usage d'un Cabinet de Physique Expérimentale, Paris, 1775, Vol. II, Pl. XX.