A very good mid-nineenth century wall thermometer.

The bow-fronted Rosewood case with signed silvered register plate showing Fahrenheit and Reaumur scales, original mercury tube with adjustable marker and ivory handled knob.

Length 18 inches (46cms) overall.

Note:
Chadburn Brothers are recorded at Albion Works, 26 Nursery Street, Sheffield and 71 Lord Street, Liverpool between 1837-c1875. Notable makers of instruments; Instrument makers to Prince Albert. Exhibited at the Great Exhibition in 1851. An original trade label showing a similar item is exhibited in the Science Museum.