A 20th century brass and silvered Fortin pattern marine/laboratory stick barometer of cylindrical form, the glazed upper section enclosing vernier scale, detailed 'Negretti & Zambra... London' and numbered '1493', the trunk with mercury thermometer, fitted with a gimbal mounting, height 91cm. Buyer’s Premium 29.4% (including VAT @ 20%) of the hammer price. Lots purchased online via the-saleroom.com will attract an additional premium of 6% (including VAT @ 20%) of the hammer price.