A Lerebours et Secretan barometer on an ebony base, 1845-1855, with maker's mark to dial and address 13, Pont Neuf, Paris. An aneroid barometer with the dial set within a brass cavetto and bezel and simple brass casing and resting upon an ebony cradle atop an architectural base; Lerebours et Secretan were the foremost European scientific instrument makers of the period. Height 23 cm. Width 18 cm. Depth 8.5 cm