A good mahogany wheel barometer by G.Broggi. The case has line stringing to the edges...
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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.
JOHN BIRD STICK BAROMETER
A very fine & early mahogany stick barometer by John Bird, London. It is of...
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ROSEWOOD WHEEL BAROMETER
A good Rosewood 4 glass wheel barometer signed ‘C.Gerletti, Glasgow’. The silvered registers within a...
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JOSEPH LEPORI & CO WHEEL BAROMETER
A good 8” dial mercury wheel barometer by Joseph Lepori & Co, London. The mahogany...
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GATTY OF READING, WHEEL BAROMETER
A good and early wheel barometer with long spirit thermometer and 8” silvered dial signed “Gatty...
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NEGRETTY & CO. LONDON Wheel Barometer
A good Mahogany wheel barometer with inlaid foliage marquetry panels & fine stringing. The architectural pediment...
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