SMITHS oak cased drumhead aneroid barometer, 1950

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 simply styled model by Smiths is dated 1950. It features the rack and pinion aneroid movement set in a drumhead style oak veneered plywood case. The chromed bezel and sight ring hold a bevelled glass.

The barometer has been fully disassembled, serviced, cleaned and polished and 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 6.5 inches (165mm); overall diameter 190mm; depth 70mm

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