A late 19th century Victorian thermometer on an ivory panel.
The thermometer is marked on the top 'Negretti & Zambra London' and is calibrated with Fahrenheit and Centigrade markings.
The thermometer comes in it's original leather covered and velvet lined carrying case.
The thermometer is in very good condition, the case is a little worn. (Circa 1880)
Height 13.5cm (5.3 inches)
Width 3cm (1.2 inches)