Lynde, Carleton John, b. 1872, Gilbert, Alfred C. (Alfred Carlton), 1884-1961 · New Haven, Conn. : A.C. Gilbert Co. · leaf 81
when viewed ver-tically? It does, because light travels only two-thirds as fastin glass as it does in air. Does it appear even shallower when viewed at a slant? Itdoes, because light is bent more the greater the angle at whichit leaves the glass. Repeat this withthe prism on end. Repeat with… … GILBERT LIGHT EXPERIMENTS 79
Light · Scientific recreations
Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Illustrated catalogue of the eigth [sic] series of 100 paintings by old masters of the Dutch, Flemish, Italian, French, and English schools : being a portion of the Sedelmeyer Gallery which contains about 1500 original pictures by ancient and modern artists (1902)](https://img.insideoutlibrary.com/img/200/ia-illeigt00gale-102-66.webp)
