Hygrometer Wet and Dry JLab

Hygrometer Wet and Dry
Hygrometer is an instrument used for measuring the amount of humidity in the atmosphere.
It has two basic mercury thermometers, comprising of a wet bulb & dry bulb respectively.
Evaporation from the water on the wet bulb drops down the temperature which makes is display, causing it to lower temperature as compared to dry bulb.

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