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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 213

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 213
373. Figure 5.—Reflection of parallel rays.—In accord-ance with the same law, parallel rays before reflection will be parallelafter reflection, as illnstrated by the diagram. 373. Figure 6.—Convex, plane, and concave mirrors.— A ray of light from the lamp, T, falling npon the point, H, of theplane…

Physics · Astronomy

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More pictures 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

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