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jan 1, 1664 - Hygrometer

Description:

The Hygrometer is an instrument used to measure the humidity of the air or any other gas. The first practical hygrometer was invented in 1664 by Francesco Folli using Robert Hooke's and Leonardo Davinci's previous ideas.

Added to timeline:

History of Engineering

ByNicholas Fillo
13 Jan 2020
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Date:

jan 1, 1664
Now
~ 361 years ago
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