A good, attractive wheel barometer with silvered dial signed Thos. Foster, Tiverton (listed early 19thc). Broken...
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Barometers
Barometers An instrument used to measure atmospheric pressure. Around the mid 17th century experiments by Galileo and Torricelli discovered that a tube of mercury with one end plugged and turned upside down, the open end in a container of more mercury, remained full to around 29” in height and that varying barometric pressure would raise or lower this column of mercury. From these experiments Barometers were developed.
DOLLAND, LONDON STICK BAROMETER
A fine mahogany stick barometer by Dolland of London. With swan neck pediment & brass finial,...
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