Elementary treatise on physics, experimental and applied : for the use of colleges and schools (1906)
Ganot, A. (Adolphe), 1804-1887, Atkinson, Edmund, 1831-1901, Reinold, A. W. (Arnold William), 1843-1921 · New York : Wood · leaf 596
dark chamber, as in Newtons original experiment.This pencil tends to form an oval and colourless image of the sun at K ;but if a flint-glass prism arranged horizontally is interposed in its path, the beam, on emergingfrom the prism, be-comes refracted to-wards its base, andproduces on a… … Fig. 552 imperceptibly merge into each other, but it is customary to distinguish sevenprincipal colours. These are violet, indigo, blue, green,yellozu, orange, red;they are arranged in this order in the spectrum, the violet being the mostrefrangible, and the red the least so. They do not all occupy…
Physics
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