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
Fig- 25. both times, and comes out in a line quite turnedaside from its original direction AB. But at the … Fig. 26. same time it becomes coloured, with all the coloursof the rainbow. Whenever you get this refractionor breaking back you also get colour. When I 102 A VOYAGE IN SPACE PARALLELRAYS OF LIGHT put this prism in the path of a straight beam oflight it is bent aside so that it no longer falls on…
Astronomy -- Juvenile literature
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