A NEW HYGROMETER
JOSA, Vol. 13, Issue 6, pp. 717-721 (1926)
http://dx.doi.org/10.1364/JOSA.13.000717
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Abstract
The hygrometer described is continuous-indicating; a value of the humidity is obtained by balancing a column of atmospheric air against a column of air saturated with water vapor and observing the effect, on a suspended vane, of the difference of pressure due to the different densities. The instrument used in the investigation is more sensitive than the Regnault-Alluard type of dew-point hygrometer and can be made a hundred times as sensitive if required.
Citation
ARNOLD ROMBERG and L. W. BLAU, "A NEW HYGROMETER," J. Opt. Soc. Am. 13, 717-721 (1926)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-13-6-717
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