Antique Brass Aneroid Precision Barometer. Indicating Tempete/ Gde pluie/ Pluie ou vt/ Variable/ Beau temps/ Beau fixe/ Tres-sec. Working functional precision instrument. Glass/ brass ring / wood casing. With brass ring for attachment. Thickness 6cm/ 2.4inch. Max diameter 16.5cm/ 6.5inch. Weight 650gr/ [...]