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 353
an image upon the opposite side of the box 0, butif they are received upon a mirror, M, inclined at an angle of 45°, their direc-tion is changed, and the image will be formed upon a screen, or plate ofground glass, N, placed at the top of the box. By placing upon this screen asheet of tracing… … now does the 08. The mechanical arrangement of thethi camera ^7® ^^ viau. and thc higher animals is the sameobscura? j^g ^j^g^^ ^f j-\^q camera obscura, being simply a double-convex lens, fitted into one side of a sphericalchamber, through which the rays of light pass to form aninverted picture…
Physics · Science · Technology
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