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Antique barometers/7849-Aneroid Barometer
Antique barometers/7849-Aneroid Barometer
Antique barometers/7849-Aneroid Barometer
Antique barometers/7849-Aneroid Barometer
Antique barometers/7849-Aneroid Barometer
Antique barometers/7849-Aneroid Barometer
Antique barometers/7849-Aneroid Barometer
Antique barometers/7849-Aneroid Barometer
Antique barometers/7849-Aneroid Barometer
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Antique barometers/7849-Aneroid Barometer
Antique barometers/7849-Aneroid Barometer
Antique barometers/7849-Aneroid Barometer
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Code 7849
EUR 850.00
In stock

EUR 850.00
In stock

used

1709291791Code 7849 Aneroid BarometerAntique English marine aneroid barometer from the late 19th century in oak wood carved as a top, brass and glass. Signed John Barker & C Ltd Kensingotn. Good condition. Working. Diameter 24 cm, thickness 6 cm.

It is an ancient measuring instrument whose pressure-sensitive organ is a metal box called a barometric capsule. The capsule contracts or expands as a result of changes in pressure and its movements are transmitted to an indicator hand via a mechanical system. The development of this type of barometer is due to Bourdon, a French inventor and industrialist (Paris 1808-1884). He founded a factory for the construction of steam engines in Paris in 1835; in 1849 he invented the metallic manometer, to which he linked his name, and in 1853 a type of aneroid barometer.

Since ancient times, man, as a farmer and navigator, has observed and attempted to predict climate trends. The scientific study of the changes that occur in the atmosphere began in the mid-17th century, in relation to experiments aimed at demonstrating the existence of a vacuum, which the ancient philosophers denied because "nature abhors a vacuum!". Evangelista Torricelli (1608-1647), mathematician and physicist, disciple of Galileo, was the first, in 1643, to build an instrument capable of detecting changes in air pressure, which he understood to be linked to changes in the weather.

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Code 7849 Aneroid Barometer

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