Abstract
IT is perhaps not very generally known that human breath has a considerable power of discharging an electrified conductor. This fact can be strikingly shown by an experiment easily carried out. If the discharging knobs of a Wimshurst electrical machine are drawn apart so far that a spark just refuses to pass, then on breathing across the gap the spark is instantly precipitated.
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ASHWORTH, J. A Source of the Ionisation of the Atmosphere. Nature 70, 454 (1904). https://doi.org/10.1038/070454b0
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DOI: https://doi.org/10.1038/070454b0
