Abstract
I SENT Mr. H. N. Draper's letter (NATURE, vol. xxix. p. 77) to my father-in-law, Dr. Petzholdt, of Dorpat University, who has made a special study of South Russia, Caucasus, Russian Turkestan, &c., and his reply is that it is a fact long known to chemists that the aqueous vapour in the atmosphere due to the evaporatian of sea and salt-lake waters invariably contains chloride of sodium, which is precipitated to the ground by rain and dew. Dr. Petzholdt is not aware, however, that the pheno menon is more striking on the coasts of the Caspian and Aral than in other localities. In the Annalen der Chemie und Physik, vol. xxxv. p. 329, Liebig writes: “All the rain water which fell in Giessen (Hesse) during two years, in seventy-seven rainfalls, contained salt.”
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GILLMAN, F. Salt Rain and Dew. Nature 29, 172 (1883). https://doi.org/10.1038/029172a0
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DOI: https://doi.org/10.1038/029172a0
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