A LOUIS-PHILIPPE MAHOGANY AND BOXWOOD-STRUNG STICK BAROMETER

A LOUIS-PHILIPPE MAHOGANY AND BOXWOOD-STRUNG STICK BAROMETER
FRANCOIS MOLTENO, PARIS, CIRCA 1840
The silvered plates with two adjustable verniers and signed Baromètre par Frois. Molteno ainé A Paris, the exposed central mercury tube flanked by alcohol and mercury thermometers, the cistern with ormolu mounts (lower mount now lacking)
44 in. (112 cm.) high; 7 in. (18 cm.) wide; 3 in. (7.6 cm.) deep