Henderson, C. Hanford (Charles Hanford), 1861-1941, Woodhull, John F. (John Francis), 1857-1941 · New York, D. Appleton and company · leaf 358
Fig. 234.—A train of prisms. … Fig. 235.—A pair of prisms. sensation, and depends wholly upon wave length. Ordi-nary sunlight contains waves of all lengths within the range 330 PHYSICS of vision and is distinguished as white light. The rangeof vision lies between .0007 millimetres in the red and .0004millimetres in the violet.…
Physics
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