FRENCH SCHOOL OF THE XIXTH CENTURY Ascent of a hot-air balloon, titled and dated "Aux amateurs de physique (Tuileries), 1784 and AFTER LALLEMAND BY NÉE View of the fire pump, taken from the big rock Two prints in colors 19th century Height 22 cm - Width 28 cm and Height 26,5 cm - Width 37,5 cm