A 20th century black enamelled and silvered brass Fortin pattern laboratory stick barometer of cylindrical form, the glazed upper section enclosing a vernier scale, the black enamelled trunk with mercury thermometer and signed 'Casella London', length 100cm, with a glazed mahogany case with hinged door.Buyer’s Premium 29.4% (including VAT @ 20%) of the hammer price. Lots purchased online via the-saleroom.com will attract an additional charge of 6% (including VAT @ 20%) of the hammer price.