1820 Charles Aiano, Canterbury Stick Barometer 36″ x 4 1/2″. Used condition with usual and expected wear. Please enlarge the pictures from your desktop computer to see better every little detail. This item is for local pick-up up only because it is fragile and contains mercury. Thank you for looking, and feel free to contact me with any questions. Grade and condition is otherwise based on your judgment of the multiple detailed photographs provided as part of our description.