Mathematical elements of natural philosophy, confirm'd by experiments : or, An introduction to Sir Isaac Newton's philosophy (1747)
Gravesande, Willem Jacob 's, 1688-1742, Desaguliers, J. T. (John Theophilus), 1683-1744, tr, Adams, John, 1735-1826, former owner. BRL, John Adams Library (Boston Public Library) BRL · London : Printed for W. Innys, T. Longman and T. Shewell, C. Hitch ..., and M. Senex ... · leaf 202
, which arc as 40, 35, 103, we have the Forces of the Particles as 195, 333, 135.2866- The Force, that accelerates Light in its Paffage out of a lefs refrafting Medium into a more refradling one, retards the Motion in the contrary2828. Faffage * ; whence it follows, that what is demonftrated in… … Chap. 7- of NaturalPhilofophy, 143 CHAP. VII. Of the RefraEiion of Light, when the Mediums arefeparated by a plane Surface, THE Surfaces, that feparate the Mediums, may be varied in 2867,infinitum ; we fhall only examine thofe that are plane andfpherical. In the Rays alfo there may be Variations in…
Physics · Natural Sciences
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