A very good early 18th century walnut barometer, walnut veneers applied to the oak carcase with an open cistern cover, hood pillars and curved pediment.
c. 1720
For a very similar example see Nicholas Goodison's Book on English Barometers Page 201 Plate 133 showing an example by John Patrick, Old Bailey, London.
Height38.00 inch(96.5 cm)
Width5.50 inch(14.0 cm)
Depth2.00 inch(5.1 cm)
Ref No. 6641