Opticks : or, A treatise of the reflections, refractions, inflections and colours of light (1730)
Newton, Isaac, Sir, 1642-1727 · London : Printed for William Innys at the West-End of St. Paul's · leaf 272
before and after Reflexion,be equal, the diftances of the Fits of eafyTranfmiflion from either Surface, muft be inthe fame prpgreffion after Reflexion as before;that is, from the firft Surface which tranfmit-ted them, in the progreffion of the even Num-. bers B O O K IL 263 bers o, 2, 4, 6, 8, (^c.… … S4 THE
Optics
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