Madame Blot. Louis XVI Giltwood Barometer. Bolection giltwood frame enclosing the glazed face, under a carved gilt bow and ribbon terminating in tassels. In black enamel under the dials. Madame Blot, Boullevard du Filles du Callevair 11 to 17, A Paris. Circa 1770 - 1785. {Approximate dimensions: 3" D. x 19 1/2 Diameter, the face; 34 1/2" H., incorporating the ribbon.}. Provenance: Austin Hills. Condition: Some wear, flaking and losses to giltwood and gesso to ribbon and face; glazed front with significant clouded appearance. Mercury to the back mostly absent. *Please note, that due to the mercury content, this item is not shippable.