ANTIQUE EDWARDIAN SILVER-CASED FRANCIS BARKER POCKET ANEROID BAROMETER Hallmarked 1901 AD A good quality aneroid barometer (in working condition) with rotating outer altitude scale (to 8000 feet) and the pressure range of 23 to 31 (inches of mercury); the face inscribed 'Improved Scale, Compensated, Rd 149175'; the silver case in the same form as seen on half hunter pocket watches of the period, with circular glazed window retained by a broad copper ring to outer cover, hallmarked with London
ANTIQUE EDWARDIAN SILVER-CASED FRANCIS BARKER POCKET ANEROID BAROMETER Hallmarked 1901 AD A good quality aneroid barometer (in working condition) with rotating outer altitude scale (to 8000 feet) and the pressure range of 23 to 31 (inches of mercury); the face inscribed 'Improved Scale, Compensated, Rd 149175'; the silver case in the same form as seen on half hunter pocket watches of the period, with circular glazed window retained by a broad copper ring to outer cover, hallmarked with London
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.jpg "Source: Christie's")
.jpg "Source: Christie's")
