Lynde, Carleton John, b. 1872 · New York, Macmillan · leaf 282
FIG. 198. — The compound microscope. It will be noticed that the object is magnified twice: first, bythe objective, and second, by the eyepiece. The opera glass. — The opera glass is a combination of twolenses; the objective C is a double convex lens and the eye-piece c is a double concave lens.… … FIG. 199. — The opera 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…
Physics · Home Economics
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