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 274
placmg it in air ar-tificially made as dry as possible, and the pomt on thescale at which the index stops under these circumstances,is the point of greatest dryness, and is marked 0. Thehygrometer is then placed in a confined space of air, whichis completely saturated with vapor, and under these… … 270 WELLSS NATURAL PHILOSOPHY. 100. The intervening space is then divided into 100 equal parts, -whichindicate diflerent degrees of moisture. Sach hygrometers are not, however, considered as altogether reliable. SECTION I. PHENOMENA AND PRODUCTION OF DEW. ^,^ ,. „ . 603. Dew is the moisture of the…
Physics · Science · Technology
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