1st Nov, 2018 12:00
Fine Photographica & Instruments of Science & Medicine
A Compensated Pocket Barometer Altimeter by Ross, London
c.1870, English, nickel-plated brass body, silvered dial divided to 1/20" of mercury, rotating altitude bezel divided to 20 feet, signed Ross, London 679, in velvet and silk-lined red Moroccan leather case, pressure tested and working, barometer diameter 5.1cm
Sold for £108
Result plus buyers premium
c.1870, English, nickel-plated brass body, silvered dial divided to 1/20" of mercury, rotating altitude bezel divided to 20 feet, signed Ross, London 679, in velvet and silk-lined red Moroccan leather case, pressure tested and working, barometer diameter 5.1cm
Auction: Fine Photographica & Instruments of Science & Medicine, 1st Nov, 2018
