Laplace, Pierre Simon, marquis de, 1749-1827, Bowditch, Nathaniel, 1773-1838, Bowditch, N. I. (Nathaniel Ingersoll), 1805-1861 · Boston, Hillard, Gray, Little, and Wilkins · leaf 655
he regarded as a centreof vibration, from which a si/stem of [8137i/] secondary waves emanates in all directions,according to the laws of the propagationof leaves in the medium. Upon thisprinciple we shall now demonstrate thelaw of the reflexion of light, or the [8137:1 equality of the angles of… … [8138a] [81.38i] [813Sc] [8138i/J[8138e] [8138/] demonstration we shall only consider a section of these waves, by a plane passing throughS, perpendicular to the reflecting plane, and forming the plane of the annexed figure ; thecircular arc BB being continued below the plane or line CB, in the…
Celestial mechanics · Tides · Capillarity
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