J. Sewill, Liverpool. c.1840.

A round topped rosewood marine stick barometer by J.Sewill, Liverpool, c.1840.
The rosewood case is fitted with a thermometer and brass weighted cistern. The ivory register scales have double rack and pinion verniers that record readings at '10am Today' and '10am Yesterday'.The scales are signed J.Sewill, 61 Sth. Castle St. Liverpool. (Recorded as working from Liverpool and London 1830-50.