SOME recent engineering advances in the field of electrical hygrometry have made possible a rapid and precise determination of the relative humidity of any given atmosphere. It has long been appreciated that by measuring the change in relative humidity inside a chamber held against an area of skin, it is possible to determine the amount of water escaping from the skin. Kuno cites experiments done in 1790 by Segium and Lavoisier who used this technique to study cutaneous water loss. Sulzberger and Herrmann recently described studies of this type with a hygrometer but were limited by technical difficulties.
For the past 3 years we have been working with one of these newer systems of electrical hygrometry in an attempt to improve present techniques for quantitating the amounts of water lost from human skin during life. A detailed account of the technical system involved was recently presented elsewhere. In this report
Rosenberg EW, Blank H, Resnik S. Sweating and Water Loss Through the Skin: Studies Using an Electrical Humidity Sensor. JAMA. 1962;179(10):809–811. doi:10.1001/jama.1962.03050100063015b
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