LOT 65 A GROUP OF FIVE ANEROID POCKET BAROMETERS
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A GROUP OF FIVE ANEROID POCKET BAROMETERSALL UNSIGNED, LATE 19th CENTURYAll with 1.75 inch circular registers calibrated in barometric inches,prising two with white enamel registers in frosted gilt cases; two with silvered registers including altimeter scales to circumference, in frosted gilt cases with one in additional outer leather case; the last an aluminium cased example with subsidiary dial Fah't scale thermometer to centre inscribed IMP'D PAT, No. 7318 beneath Improved Scale,pensated, the case with altimeter scale adjtment via a knurled crown to the spension loop, the leather travelling case incorporating apass needle set on its pivot between two glass disc annotated with eight cardinal points, (5).All approximately 5cm (2ins) diameter, 1.5cm (0.625ins) deep excluding protective cases.Provenance: The archive collection of Barometer World Meum, Merton, Devon.
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