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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
206 OPTICS. 371. Figure 4.—Reflection of converging rays.—In ac-cordance Avitli the same law, converging rays b-^fore reflection will con-verge after reflection. The degree of convergence before and afterreflection will be the same ; and the reflected rays will meet at a pointas far in front of the…

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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