1st Nov, 2018 12:00

Fine Photographica & Instruments of Science & Medicine

 
Lot 64
 

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
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