Barton, Edwin H. (Edwin Henry), b. 1858 · London, Macmillan and Co., limited · leaf 99
Fig. 28.—Rectilinear Propagation of Waves. completion of Huyghens principle was made by Fresnel.Hence, by what we may term the Huyghens-Fresnelprinciple, we are furnished with a satisfactory explanationof the rectilinear propagation of wave motion under certaincircumstances. We thus see that the…
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