A GEORGE III MAHOGANY IVORY AND EBONISED STICK BAROMETER by W. & S. Jones, the broken scrolled pediment surmounted by an urn finial above a rectangular glazed panel, the moulded stem with a further elongated rectangular glazed panel, above a domed circular base, the steel plates variously numbered and inscribed W & S Jones Holborn/LONDON/Fair/CHANGE/Rain, the lower plate inscribed Fever/Heat/Blood Heat/Sum/Heat/Tempe/rate/Freez/ing, restorations, inscribed to the reverse Mrs. Ainslie/Caste Nott