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 311
water most distinctly, while the images of nearer objectsare seen imperfectly, or not at all. Here the rays coming from the distantobjects strike the surface of the water very obliquely, and a sufBcient numberare reflected to make a sensible impression upon the eye; while the rays pro-ceeding from… … Let S be the position of the spectator; 0 and B the position of distantobjects. The rays 0 R and B R which proceed from them, strike the surfaceof the water very obliquely, and the hght which is reflected in the directionR S is sufficient to make a sensible impression upon the eye. But in regardto…
Physics · Science · Technology
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