Scientific amusements . The Microscope lenses. Concave lens. retina, and the divergency of the raysprevents a clear image being if a small lens of a short focallength be placed in front of the eye,having PQ for its focus, the rays oflight will be parallel, or very nearlyso, and will as such produce distinct vision, and theimage will be magnified at pq. In the Compound Refract-ing Microscope, BAB is the convex lens, near which anobject, PQ, is placed a little beyond its focal length. Aninverted image, pq, will then be formed. This image isproduced in the convex lens, bab, and when
Scientific amusements . The Microscope lenses. Concave lens. retina, and the divergency of the raysprevents a clear image being if a small lens of a short focallength be placed in front of the eye,having PQ for its focus, the rays oflight will be parallel, or very nearlyso, and will as such produce distinct vision, and theimage will be magnified at pq. In the Compound Refract-ing Microscope, BAB is the convex lens, near which anobject, PQ, is placed a little beyond its focal length. Aninverted image, pq, will then be formed. This image isproduced in the convex lens, bab, and when the rays are 124 OPTICAL APPARATUS. reflected out they are parallel, and are distinctly the eye of the observer at the point E will see amagnified image of the object at PQ brought up to pq.
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Keywords: ., bookcentury1800, bookdecade189, booksubjectscientificrecreations
