Ellison, D. J. (Daniel James) · New York : Underwood & Underwood · leaf 48
eye exactly through the centre, adjustment for a distant object, whilst B shows the adjustment for at the line G and H, Fig. 1, and then take a sectional view as seen near objects. In addition to the modification in the curvature of when looking in the direction of the arrow J, we should have a the… … Fig. 3. edge of the hole. It will be seen at once that the image of the view, being as follows: A, cornea: B, aqueous humour; C, pupil; distant object has become blurred, so much so, that had it not been D, iris; E, crystalline humour; F, axes; G, base of the optic previously examined its nature…
Voyages and travels · Stereoscope · Voyages and travels -- Periodicals · Stereoscope -- Periodicals
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