Henderson, C. Hanford (Charles Hanford), 1861-1941, Woodhull, John F. (John Francis), 1857-1941 · New York, D. Appleton and company · leaf 347
. Enlarged Images produced by Refraction.—A cross-section of a prism is represented in Fig. 223; m n repre-sents an object, and e theposition of the eye. Theobject appears to be en-larged to the size of m n\which may be measuredand perhaps found to behalf as large again. Theratio of the size of the… … Fig. 223 REFRACTION OF LIGHT 325 fied in shape so that its cross-section would look like Fig.224, b, we should call it a lens, and, since one of its surfaces
Physics
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