The instrument used to measure pressure:

Q. The instrument used to measure pressure:
Answer: Aneroid Barometer
Notes: Aneroid barometer is an instrument for measuring pressure as a method that does not involve liquid. Invented in 1844 by French scientist Lucien Vidi, it uses a small, flexible metal box called an aneroid cell, which is made from an alloy of beryllium and copper.

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