Semi-permeable psychrometric hygrometer
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United States of America Patent
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Apr 14, 1981
Grant Date -
N/A
app pub date -
Oct 29, 1979
filing date -
Oct 29, 1979
priority date (Note) -
Expired
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Abstract
An improved psychrometric hygrometer obtains its wet-bulb temperature without surface water of induced air flow, through evaporation from transparent semi-permeable containers of relatively large surface-volume ratio.
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