Abstract
IN NATURE of June 9, p. 456, a letter appeared from Mr. A. Mallock giving a proof that the path of a nearly horizontal ray through the earth's atmosphere is a circle of about 14,900 miles' radius, and later (August 11, p. 745) Dr. de Graaff Hunter, of the Indian Survey, wrote controverting Mr. Mallock's statement, and asserting in effect that the radius of the ray as deduced from measured values of the coefficient of refraction is distinctly higher, being about six and a half times the earth's radius, or about 26,000 miles.
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BAKER, T. [Letters to Editor]. Nature 109, 8–9 (1922). https://doi.org/10.1038/109008b0
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DOI: https://doi.org/10.1038/109008b0
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