William IV Leather Cased Travel Thermometer by Thomas Harris & Son, London Francis Linsell West His first venture was the

His first venture was the partnership of Gilbert & Wright

The pair had two sons with the second (Alexander Adie) being born in January 1775 just three months after his father’s early death

Following the sad demise of both partners of the firm

All parts of the fan fold flat and can be contained within to making it a supremely portable piece of equipment

The founder died in 1859 but his son continued to trade under the original name and took out two patents during the 1850’s and 1860’s relating to improvements to compasses

William IV Leather Cased Travel Thermometer by Thomas Harris & Son, London Francis Linsell West His first venture was theFor sale, a William IV Leather Cased Travel Thermometer by Thomas Harris & Son, London. Comprised of an 8 inch arched top silvered brass scale plate. The beautifully engraved Fahrenheit scale reads from 0 220 degrees and has indications for Water Boils, Spirits Boil, Fever Heat, Blood heat, Summer Heat, Temperate and Freezing. It is engraved to the prestigious maker, Thomas Harris & Son, London to the top of the scale and has a single hole to the top