Lynde, Carleton John, b. 1872 · New York, Macmillan · leaf 283
era glass. see Fig. 199. AB is the object and if the eyepiece were absent,the objective would form an inverted image of AB at ab.With the eyepiece in place, the rays are refracted and diverged,and the rays which enter the eye appear to come from A B.AB is a virtual erect image of AB. The… … FIG. 200. — Thestereoscope. The glasses in the stereoscope are two pris-matic lenses placed edge to edge (Fig. 200).From our study of prisms we can understandhow the light which enters the eye R fromthe picture A\B\ or the eye L from A^B^ isso bent by the prisms that it appears to comefrom AB…
Physics · Home Economics
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