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Johnson's natural philosophy and key to philosophical charts : illustrated with 500 cuts; being reduced photographic copies of all the diagrams contained in the author's philosophical series of indestructible school charts ; for the use of schools and families (1878)

Johnson, Frank G., 1835- · Chicago, A.H. Andrews · leaf 254

An illustration from Johnson's natural philosophy and key to philosophical charts : illustrated with 500 cuts; being reduced photographic copies of all the diagrams contained in the author's philosophical series of indestructible school charts ; for the use of schools and families, 1878, leaf 254
to the horizon, the higherwill be the rainbow. The purity of the several colors in the rainbow is the result of inter-ference, Avhich produces dark bands for each particular color, giving aclear space for the delineation of the other colors of the rainbow beforethe first color is repeated. The… … Figure 54.—Recomposition of Light by means of a doubleconvex lens. For an explanation of this diagram, see 431. us OPTICS. CHAPTER XI. (CHART NO. 6.) OPTICS. COXTIXUED.—OPTICAL IXSTRUMENTS. ^oo. Fig-lire 1. —Effects of a drop of water upon parallelrays of light, further explained.—Let the circle…

Physics · Astronomy

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