This large brass combined Barometer and Altimeter. T Wheeler, London No 1395. The silvered dial with outer altimeter scale calibrated to 6000 feet and with milled rotating bezel in drum case with suspension ring. This also has its original Leather case and the overall condition is excellent and in full working order.
Diam of Case 5.25" (13.5cm) Depth 2.5" (6cm)