antik.it/Antique-barometers/7983-Smal-Barometer/
Code 7983
EUR 200.00
In stock
1727190446Code 7983 Smal BarometerSmall aneroid wall barometer in wood and brass in the shape of a rudder with six pins. Signed SB Smiths British Made Instrument from the 1950s. It is an instrument whose pressure-sensitive organ is a metal box called a barometric capsule. Good condition, working. Diameter 19 cm – 7.5 inches, thickness 4 cm – 1.7 inches.
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 in Paris in 1835 for the construction of steam engines; 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 the void, which the ancient philosophers denied because "nature abhors the void!".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 atmospheric weather.
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Other countries: delivering on the average in 5 weekdays; custom duties charged to the buyer.
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Antique barometers
Code 7983 Smal Barometer
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