Elementary natural philosophy : designed for high schools and academies (1881)
Griffin, La Roy F. (La Roy Freese), 1844-1916 · Philadelphia : Sower, Potts & Co. · leaf 209
m the perpen-dicular bends the ray once more in the same direction, so that it SOLAR SPECTEUM. 199 enters the eye at c. The object then appears to be situated at r,as shown by tracing back the last part of the ray. 694. The Solar Spectrum. If a prism be placed in thepath of a beam of sunlight… … Fig. 228. colors are usually distinguished, which arranged in theorder of their refrangibility are Violet, Indigo, Blue. Green,Yellow, Orange and Red. These do not include all thecolors, but only such as are recognized. The spectrumreally extends a certain distance beyond both ends of thevisible…
Physics
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
