現場拍賣 9277Clocks and Barometers
A silvered brass balloonist's barometer, late 18th century
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A silvered brass balloonist's barometer, late 18th century

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GBP 293

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A silvered brass balloonist's barometer, late 18th century
The cylindrical tube with alcohol thermometer (replaced) and with metric scale calibrated 35-80cm., components stamped A 21, hanging from a wooden backboard -- 45½in. (116cm.) high

專家說明

It has been suggested that this barometer may have been made by Jesse Ramsden for the European market. The style of Vernier is of kind last used at the end of the 18th century.