Barometer in finely carved and gilded wood, with refined decoration of passementeries and knotted ribbons framing the dial. Signed Bernon, optician, rue du Roule N°1 in Paris - According to Coricelli Restoration period H. 87 cm - L. 47 cm (accidents and restorations: wear and tear and minor missing gilding) Located on rue du Roule, a district near the Louvre and Palais-Royal prized for its artisans of scientific instruments, this barometer testifies to the reputation of Parisian opticians in the 18th and early 19th centuries.