An early 19th century mahogany Waywiser by Watkins & Hill, Charing Cross, London. Circa 1825.
The 7″ silvered dial is divided in to Imperial units of miles and furlongs and subdivided in to yards and poles, the dial is accurately engraved and signed Watkins & Hill Charing Cross LONDON
The fork is hinged allowing the six spoked wheel to be removed, a fitted compartment in one leg conceals a tool to undo the wheel nut.
Diameter of wheel: 80 cm – 31.5 inches. (31.51 inches gives a circumference of 1/640 miles).
Mounted on a later display stand.
For a similar waywiser by Watkins & Hill see: The History of Science Museum, Oxford. (Inventory number: 17191).
For more photographs of the instrument please see our website: https://www.hatchwellantiques.co.uk/classical/scientific-instruments/waywiser-detail
Watkins & Hill (1818 – 1856). Mathematical, optical, and philosophical instrument makers, traded at 5 Charing Cross, London, England.