Well's natural philosophy : for the use of schools, academies and privte students, introducing the latest results of scientific discovery and research ; arranged with special reference to the practical application of physical science to the arts and the experiences of everyday life ; with three hundred and seventy-five engravings (1873)
Wells, David A · New York : Ivison, Blakeman, Taylor and Co. · leaf 266
-umn, therefore, will have a buoyancyproportional to its relative lightness, ascompared with the external air and theair of the apartment. The upward tendency of a column ofheated air constitutes the draft of a chim-ney, and tliis draft will be strong and cPfectivc just in the same proportion as…
Physics · Science · Technology
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