A rare minimum maximum thermometer in a mahogany case.

The finely engraved silvered scale is signed:

 

CALLAGHAN & Co, LONDON.

23a New Bond St. Corner of Conduit St. London

 

Completed with another thermometer placed underneath. The thermometer can be hung on the wall and can be closed as a box.

Dimensions: 32 cm long and 9,5 cm wide.

England, ca 1860.

In very good original condition.

€ SOLD