Antique Sympiesometer Barometer Victorian J. Graham Liverpool Rosewood Nautical Instrument This finely preserved Victorian sympiesometer was produced by J. Graham of Liverpool, a noted maker of precision scientific and navigational instruments during the 19th century. The sympiesometer was an early form of barometer, widely used aboard ships for measuring atmospheric pressure with greater responsiveness to temperature variation than traditional mercury…
Victorian Admiral FitzRoy Barometer in Beech Case, 19th Century Marine Weather Instrument This handsome Victorian Admiral FitzRoy barometer is housed in a tall glazed beechwood case and features the distinctive printed storm warning and forecasting instructions associated with FitzRoy’s pioneering work in marine meteorology. Designed for domestic and maritime use, these barometers were intended to provide early warning of storms…
