Russell Scientific 4-inch Mahogany Barometer Personalised Wooden Dial Keyhole hook on reverse of

Keyhole hook on reverse of dials for hanging separately

when mounted together to create a hygrometer and a drum recorder for humidity or pressure readings

Based on a traditional Casella design these non-adhesive thermograph charts are ideal for recording drums that have a clip to hold the chart in place

Optional 300 Card Bundle

The sensor shield comes complete with mounting screws

Russell Scientific 4-inch Mahogany Barometer Personalised Wooden Dial Keyhole hook on reverse ofDescription Features Specification A hand crafted 4 116 inch diameter dial barometer with concave mount, finished with a crisp white face. Overall product diameter is 6 inches. This delightful little barometer, the MET J9, is the smaller cousin of the MET J6. Its size is part of its charm and, with its beautiful bevelled glass and solid mahogany mount, it is the perfect gift. Traditionally a scientific instrument used to measure atmospheric pressure,