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100th anniversary of psychrometrics

The formula which underpins the relationship between temperature, humidity and dew point - the basis of all air conditioning calculations - marks its 100th anniversary.

__truncato_root__>At the time of writing, there were only a few days (hours) left to celebrate the centennial of the formula which defines the correlation between temperature, humidity and dew point.
On December 8, 1911, and less than a decade after the invention of air conditioning, Willis ...

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