Abstract
IN a recent and very interesting article (Proc. Roy. Soc., A, 111, 56-67, 1926, May 1), Dr. G. C. Simpson advances a theory of the method of advance of a lightning stroke. As he concludes that there can be no substantial stroke of negative charge, perhaps it would be better to say that he develops a theory of the advance of a positive stroke, meaning by this the advance of a stroke of positive charge. A short time ago, I proposed (Journ. Franklin Inst., 201, 485-496, 1926, April) a theory of the advance of a negative stroke. As the two theories are apparently conflicting, it is desirable to consider the conflict in order to see in how far it is real, and in how far the theories are merely complements one of the other.
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DORSEY, N. Lightning. Nature 118, 190–191 (1926). https://doi.org/10.1038/118190a0
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DOI: https://doi.org/10.1038/118190a0
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