An enamelled-faced aneroid barometer in a turned, rouge marble stand.
The face in polychrome enamel. Probably English.
The stand is quite grand with a turned base, column and barometer case in quality rouge marble.
Adjustable change indicator.
 
Height. 210 mm. (8 1/2 inches).
Enamelled face 55 mm. (2 1/8 inches).
 
A little wear but generally good condition.
About 1900.