Elements of natural philosophy (Volume 2-3) (1850)
Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 246
k here, that the base ofthe optic nerve, where it enters the eye, is totally insen-sible to the stimulus of light, and the reason assigned forthis is, that at this point the nerve is not yet dividedinto those very minute fibres which are capable of beingaffected by this delicate agent. nerve… … If, therefore, i? Rr be a section of the retina, by aplane through the optical centre (7, of the eye, andA B—l, ah — X, the linear dimensions of an object andits image in the same plane, we shall have, from thesimilar triangles GAB and C a &, X=- Ga. - s (M)] tr\ Dimension ofimage of anobject…
Mechanics · Acoustics · Optics
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