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Certain Mathematical Instruments for Graphically Indicating the Direction of Refracted and Reflected Light Rays
Published online by Cambridge University Press: 15 September 2014
Extract
The refraction equation sin i == μ sin r, though simple in itself, is apt to give rise, in problems connected with refraction, to formulæ too involved for arithmetical computation. In such cases it may be necessary to trace the course through the optical system in question of a certain number of arbitrarily chosen rays, and thence to find the course of the other rays by interpolation. The
linkage about to be described affords a rapid and accurate means of determining the paths of the rays through any optical system.
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- Copyright © Royal Society of Edinburgh 1906