The relation of sound velocity to height
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W.J. Humphreys
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Article
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1924
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Elsevier Science
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English
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THE elastic wave in. the atmosphere caused by the explosion of Krakatoa on August 27, 1883, travelled, as is well known, several times around the earth at the average velocity of about 315 metres per second. That is, at a velocity that averaged about sixteen metres per second less than that of sound