How To Use Undulatory theory In A Sentence

• The rays proceeding from atoms of small mass having less material momentum, are the most refrangible, and those possessing greater material momentum, are the least refrangible; so that instead of presenting a difficulty in the undulatory theory of light, this dispersion is a necessary consequence of its first principles. Outlines of a Mechanical Theory of Storms Containing the True Law of Lunar Influence
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• The first part of the thesis has expounded the cycle undulatory theory and financial early - warning theory.
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