An Early Thermometer

English, c.1840, engraved 'William Collins' thermometer glass mounted on silvered brass plate engraved in Ferenheight, scale further engraved 'Reaumr, Just Freex, Temperate, Sum'r Heat, Blood Heat and NIGHT', glass containing alcohol, case lined with cream silk and velvet covered in red Moroccan leather with brass suspension loop, catches and hinges, case 11cm wide

According to Clifton Charles William Collins worked 1838-1859

Provenance: Property of a Gentleman