What is measured with a barometer?

Pressure is measured using barometers.
there are two types of barometers.
1 – aneroid or liquid.
2 – mercury.

Mercury barometers were invented in the 16th century by the famous Italian scientist Torricelli.
Mercury barometers are more accurate, but they are much more dangerous to human health.
Due to the harm to health, liquid barometers are now more popular.
They are used by meteorological stations, sailors and tourists.
Modern liquid barometers are capable of simultaneously measuring not only pressure but also air humidity.



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