The geography of the heavens : and class-book of astronomy : accompanied by a celestial atlas (1860)
Burritt, Elijah H. (Elijah Hinsdale), 1794-1838, Mattison, Hiram, 1811-1868 · New York : Mason Brothers · leaf 302
f money at A, at thebottom of the cup, would be invisible tothe beholder at B, if the cup was empty,as the light from the money would passfrom A to C; but when the cup is filledwith water, the light is refracted to B, andthe beholder sees the money apparentlyatD. 643. By thelaw of refrac-tion,… … REFRACTION BY A PRISM. some parts of White.
Constellations · Stars
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from L'optique divisée en trois livres : ou, l'On démontre d'une maniere aisée tout ce qui regarde 1. la propagation & les proprietez de la lumiere. 2. La vision. 3. La figure & la disposition des verres qui servent à la perfefectionner [sic] (1682)](https://img.insideoutlibrary.com/img/200/ia-loptiquedivise00ango-246-24.webp)
