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 328
a similar man-ner convergent ray nre rendered less convergent, or even parallel.Do convex ^82. Images are formed in the foci of con-vex lenses in the same way as in the foci ofconcave mirrors.Thus, if we take a convex lens and place behind it, at a proper distance, aslcet of paper, there will be… … convexlenses jrive riseto thfi forma-tion f images? Dcscribfi theformation ofima^es by theconvex lens. Fig. 2G4.
Physics · Science · Technology
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