A NINETEENTH CENTURY FRENCH BRASS SURVEYING BAROMETER, engraved 'Ste Cie de Produits, Chimiques 42 & 44 Rue des Ecoles, Paris', range 54-82cm hg, with rack adjustment and centigrade thermometer, in a worn brown leather case with handwritten paper label.

98cm high x 4.5cm diameter

Provenance: From a single-owner collection of scientific instruments.