A Sewill's of Liverpool combination Aneroid Barometer, Thermometer and Hygrometer.  

Set in 2 brass surrounds on an oval mahogany wooden plinth.

I have found many of these with a Clock but this one has a Thermometer/Hygrometer!

Wooden plinth dimensions: 32cm W X 16cm H x 2cm D

Weight: 1.89kg
 
100% net proceeds go to Brent Lodge wildlife Hospital!