LOT 38 AN UNUSUAL GEORGE III STYLE CHEVRON-STRUNG MAHOGANY ANEROID ...
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AN UNUAL GEORGE III STYLE CHEVRON-STRUNG MAHOGANY ANEROID FLUID TUBE STICK BAROMETERUNSIGNED, LATE 20th CENTURYWith swan neck pediment over silvered Vernier scale calibrated in barometric inches and with the ual observations to the right hand side opposing Fahrenheit and Centigrade scale alcohol thermometer to the left, set behind chevron-edged hinged glazed door over trunk with visible tube filled with light-green translucent fluid flanked by conforming vertical parquetry inlay and ring-turned domed cistern cover to the rounded base enclosing transverse mounted four-segment aneroid chamber and pivoted linkage connecting to a diaphragm chamber fitted at the base of the tube. 96.5cm (38ins) high excluding brass finial, 14cm (5.5ins) wide.Provenance: The retail stock of Barometer World Meum, Merton Devon.The above lot utilises and aneroid mechanism connected to a diaphragm to raise and lower the level of a column of green dyed fluid in the tube. This system was developed by Philip Collins of Barometer world in order to create an instrument that has the attractive visual qualities of a stick barometer but with the practicalities of an aneroid barometer.
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Newbury, United Kingdom
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