ϒ A Victorian rosewood mercury marine stick barometer Casella, London, circa 1860 With suspension ring to top over arched bevel-glazed canted double ivory Vernier scales calibrated in barometric inches and with the usual observations, the upper margin signed Casella, MAKER TO THE ADMIRALTY, LONDON and the arch inscribed James Furnell, the trunk with ivory button keys for the Vernier setting squares above applied arch-glazed mercury FAHRENHEIT and REAUMUR scale thermometer, the base with stepped moulded brass cylindrical enclosed cistern (lacking gimbals), 97cm (38ins) high. The firm of Casella is recorded in Banfield, Edwin BAROMETER MAKERS AND RETAILERS 1660-1900 as being established by Louis Casella in 1838 when he went into partnership with his father-in-law Caesar Tagliabue initially trading as Tagliabue & Casella from 23 Hatton Garden, London. His successor, Louis Pascal Casella worked from 1858 and expanded the business resulting in Casella becoming one of the largest makers of barometers and other instruments in England who were still trading well into the 20th century. The name 'James Furnell' inscribed above the maker's signature is probably that of the first owner of the barometer. ϒ indicates that this lot may be subject to CITES regulations when exported. Please see our Terms & Conditions for more information.