SMITHS brown bakelite cased open dial aneroid barometer, late 1940s

During WW2, secret oxygen pressure sensor technology for use at high altitude, found in the wreckage of a German Me109 fighter plane, was adapted by Shortland Bowen for use in British aircraft. After the war and in association with Smiths Industries, the technology was further developed and applied to the production of highly accurate aneroid barometers.

This model dating to the late 1940s is something of a mystery - although branded PECO it is a Smiths product in all but name. It features a silvered dial, chromed bezel and flat glass set in a mottled dark brown bakelite case.

The barometer has been fully disassembled, serviced, cleaned and polished. Apart from a few slight marks to the dial it is in excellent overall condition. It is currently set to read pressure at sea-level but will be supplied with instructions on how to adjust to local conditions.

Dial diameter 5 inches (125mm); overall diameter 175mm; depth 55mm

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