WATKINS AND SMITH, AND ATTRIBUTED TO JUSTIN VULLIAMY, LONDON, CIRCA 1765

Sir Nicholas Goodison noted: This is one of a family of almost identical wheel barometers with bulb cistern at the top of the tube and movement shown in the short arm, and clock-like dials, chapter rings, spandrels and hands. Notable anonymous examples survive at Nostell Priory and Windsor Castle in cases by eminent cabinet-makers. For the attribution to Vulliamy see Goodison, 1977, (op. cit.), pp. 262-8. This is the only barometer of this type so far known which bears the name of a firm of instrument makers. There are differences from the Nostell and Windsor instruments - the chapter ring is wider, the centre of the dial plate is plain and not matted, the spandrels are a different cast.