A voyage in space; a course of six lectures "adapted to a juvenile auditory" delivered at the Royal Institution at Xmas 1913 (1915)
Turner, Herbert Hall, 1861-1930 · London Society for Promoting Christian Knowledge · leaf 122
se a prism; that is, apiece of glass with two flat surfaces. When the rayAB strikes the first surface SF (Fig. 25), it is brokenback as we have said along BD; and when it comesto the second surface to get out of the glass again itis broken back again along DE. You may thinkthat I have drawn DE the… … Fig- 25. both times, and comes out in a line quite turnedaside from its original direction AB. But at the
Astronomy -- Juvenile literature
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
