The nine rooms on the second floor house instruments and experimental apparatus collected by the Lorraine dynasty (18th-19th century), which bear witness of the remarkable contribution of Tuscany and Italy to the progress of electricity, electromagnetism and chemistry.
二楼的九个房间展出洛林王朝（18-19世纪）收藏的仪器和实验装置，见证托斯卡纳和意大利对于电学、电磁学和化学的进步做出的卓越贡献。