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date: 12 May 2025

(a) Reflections from a parabola; (b) reflections from a convex surface; (c) reflections from a plane surface (after Parkin and Humphreys, 1958)locked

(a) Reflections from a parabola; (b) reflections from a convex surface; (c) reflections from a plane surface (after Parkin and Humphreys, 1958)locked

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