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 599
ed in its focus (fig. 557). iv. Light may be rccomposed by an experiment, which consists in receiv-ing the sevencolours of thespectrum onseven smallglass mirrorsw i t h J) 1 a n efaces; thesemirrors can beso inclined inall positionsthat the rc-tlcc ted lightmay be trans-mitted in anygiven… … 582 On Lis:lit [578- the mirrors are moved so that the separate images become superposed,a single image is obtained, which is white. V. By means oi Newiotis disc (fig. 559) it may be shown that the sevencolours of the spectrum form white. This is a cardboard disc of about afoot in diameter ; the…
Physics
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