Caroline. But I thought it was the eye-glass only which magnified the image; and that the other lens, served to bring a diminished image nearer to the eye.
Mrs. B. The image is diminished in comparison with the object, it is true; but it is magnified, if you compare it to the dimensions of which it would appear without the intervention of any optical instrument; and this magnifying power is greater in reflecting, than in refracting telescopes.
We must now bring our observations to a conclusion, for I have communicated to you the whole of my very limited stock of knowledge of Natural Philosophy. If it enable you to make further progress in that science, my wishes will be satisfied; but remember, in order that the study of nature may be productive of happiness, it must lead to an entire confidence in the wisdom and goodness of its bounteous Author.
Questions
1.(Pg. [195]) What is the form of the body of the eye? [fig. 1, plate 21.]
2.(Pg. [195]) What is its external coat called?
3.(Pg. [195]) What is the transparent part of this coat denominated?
4.(Pg. [195]) What is the second coat named?
5.(Pg. [195]) What opening is there in this?
6.(Pg. [195]) What is the coloured part which surrounds the pupil?