place of descent, etc. The basket Clayton in the Beitrage zur Physik der freien Atmos- Cambridge, Mass., February 9th, 1909. is suspended four or five meters below the balloon, phere in 1906, and the completed results of the entire the suspension cords being secured to a light cotton work have been… … -60-50-40-30-20 -10 O 10 20 C the enterprise of Prof. A. L. Rotch, director of Blue and the various relations of this heat quantity which Hill Observatory. In 1904 the Louisiana Purchase Ex- Changes of temperature with change of height. Note produce condensation and superheating and other position…
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