Victorian Pocket Barometer Altimeter By Ross London--SOLD
Pocket compensated barometer/altimeter by Ross of London, 812. Silvered dial and nickel case set in a red morocco outer case. This aneroid pocket barometer is set for altitudes from 0-2500 meters and 59-79 Millibars. Measures 2 inch in diameter. Little wear to case consistent with age and use. Some oxidation to barometer.