Abstract
A RECENT paper by R. K. Boylan entitled “The Mobilities of Atmospheric Large Ions”* is of obvious importance in the subject of atmospheric electricity, which has engaged the attention of many meteorologists since Elster and Geitel's pioneer researches many years ago. Of the two classes of ion present in atmospheric air, the large ions of small mobility discovered by Langevin are normally the most numerous, and there is general agreement in fixing their mobility at 0.00033 cm./sec./volt/cm. These appear to be the principal nuclei of condensation for water vapour, and to be the result of small ions attaching themselves to uncharged particles of dust.
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N., E. Mobilities of Atmospheric Large Ions. Nature 129, 588 (1932). https://doi.org/10.1038/129588a0
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DOI: https://doi.org/10.1038/129588a0