LRI4632343 The Grand Duke of Tuscany Ferdinand II de Medicis (Ferdinando II de \'Medici, 1610-1670) attends an experience of Evangelista Torricelli or Toricelli (1608 - 1647) (Accademia del Cimento) to establish whether the cold is reflected in the mirror as the heat of flames makes light. (Barometer) (mercury tube) Painting by Gaspero Martellini (1785-1857) Fresco. Firenze, Tribuna Galileiana by Martellini, Gaspero (1785-1857); Tribuna di Galileo, Florence, Italy; (add.info.: The Grand Duke of Tuscany Ferdinand II de Medicis (Ferdinando II de \'Medici, 1610-1670) attends an experience of Evangelista Torricelli or Toricelli (1608 - 1647) (Accademia del Cimento) to establish whether the cold is reflected in the mirror as the heat of flames makes light. (Barometer) (mercury tube) Painting by Gaspero Martellini (1785-1857) Fresco. Firenze, Tribuna Galileiana); Luisa Ricciarini; Italian, out of copyright.