Elementary treatise on physics experimental and applied for the use of colleges and schools (1890)
Ganot, A. (Adolphe), 1804-1887, Atkinson, E. (Edmund) · New York : W. Wood · leaf 591
each the eye.There is a second concave metalmirror, N, near the end of the tube: it is somewhat larger thanthe central aperture in the largemirror, and its radius of curvatureis much smaller than that of thelarge mirror. The axes of bothmirrors coincide with the axis ofthe tube. As the centre of… … Fig. 56 The distance of the mirrors and their curvatures is so arranged that theposition of this image is between the centre, 0, and the focus _/j of the smallmirror ; hence the rays, after being reflected a second time from the mirrorN, form at ab a magnified and inverted image of ab, and…
Physics
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