ADMIRAL FITZROY MERCURY BAROMETER./ "The Atmoscope Barometer". marked on the dial, by Admiral Robert Fitzroy, in a carved walnut case with a thermometer. There is a paper label in the back of the case which notes Fitzroy's remarks for both rising and falling pressures. UK c.1860. Some staining to the paper label.Case is in good condition. 14.5"W x 42"H x 4"D.