Question

What is fortin's barometer ?

Answer 1

Hello!❤

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✨Fortin Barometer is an air pressure on the free surface of the mercury in the cistern supports the column of mercury, the length of which is read by a vernier, operated by a rack and pinion over a graduated scale marked on the casing, The Fortin Barometer was commonly used at meteorological stations to measure.✨

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Answer 2

Fortin barometer is an air pressure