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 318
ntly that portion of the stick immersed in the water will appear to be lifted up, or to be bent in such a manner aa to form an angle -with the part out of the water. The bent appearance of the stick in water is representedin Fig. 252. For the same reason, a spoon in a glass ofwater, or an oar… … 314 WELLSS NATURAL PHILOSOPHY. aim at a point apparently below it, otherwise the weapon will miss, by pass-ing too high. A river, or any clear water viewed obUquely from the bank, appears moreshallow than it really is, since the hgbt proceeding from the objects at thobottom, is refracted as it…
Physics · Science · Technology
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