 | Mrs. Marcet (Jane Haldimand) - Physics - 1821 - 350 pages
...of the optic nerve, of a most perfect whiteness : it proceeds from the brain, enters the eye, at n, on the side next the nose, and is finely spread over...the several humours in their passage through them, and unite in a focus on the retina. Caroline. I do not understand the use of these refracting humours... | |
 | Mrs. Marcet (Jane Haldimand) - Physics - 1821 - 366 pages
...of the optic nerve, of a most perfect whiteness : it proceeds from the brain, enters the eye, at n, on the side next the nose, and is finely spread over...the choroid. The rays of light which enter the eye hv the pupil are refracted by the several humors in their passage through them, and unite in a focus... | |
 | Mrs. Marcet (Jane Haldimand), Thomas P. Jones - Physics - 1826 - 286 pages
...nerve,',and is of a most perfect whiteness: this nerve proceeds from the brain, enters the eye, at «, on the side next the nose, and is finely spread over...the several humours in their passage through them, and unite in a focus on the retina. Caroline. I do not understand the use of these refracting humours:... | |
 | Mrs. Marcet (Jane Haldimand), John Lauris Blake - Astronomy - 1826 - 308 pages
...of the optick nerve, of a most perfect whiteness : it proceeds from the brain, enters the eye, at n, on the side next the nose, and is finely spread over the interiour surface of the choroid. The rays of light which enter the eye by the pupil are / refracted... | |
 | Mrs. Marcet (Jane Haldimand) - Astronomy - 1829 - 312 pages
...the eye by the pupil are refracted by the several humours in their passage through them, and unite in a focus on the retina. Caroline. I do not understand the use of these refracting humouts ; the image of objects is represented in the camera obscura, without any such assistance. Mrs.... | |
 | Physics - 1832 - 642 pages
...expansion of the optic nerve, of perfect whiteness : it proceeds from the brain, enters the eye at n on the side next the nose, and is finely spread over...the several humours in their passage through them, and Unite in a fociis on the retina. Rays proceed from bodies in all possible directions ; we must,... | |
 | Ireland commissioners of nat. educ - 1835 - 398 pages
...expansion of the optic nerve, of perfect whiteness : it proceeds from the brain, enters the eye at n on the side next the nose, and is finely spread over...the several humours in their passage through them, and unite in a focus on the retina. Rays proceed from bodies in all possible directions. We must, therefore,... | |
 | Readers (Elementary) - 1836 - 424 pages
...whiteness ; it proceeds from the brain, 347 enters the eye at n on the side next the nose, and is finally spread over the interior surface of the choroid. The...the several humours in their passage through them, and unite in a focus on the retina. Rays proceed from bodies in all possible directions. We must, therefore,... | |
 | William Martin - Readers - 1838 - 368 pages
...expansion of the optic nerve, of perfect whiteness ; it proceeds from the brain, enters the eye at o, on the side next the nose, and is finely spread over...the several humours in their passage through them, and unite in a focus on the retina. Rays proceed from bodies, in all possible directions. We must,... | |
 | George Grant - Knowledge and learning - 1849 - 328 pages
...of an expansion of the optic nerve of perfect whiteness : it proceeds from the brain, enters the eye on the side next the nose, and is finely spread over...the several humours in their passage through them, and unite in a focus on the retina. Rays proceed from bodies in all possible directions; we must therefore... | |
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... which is by far the most important part of the eye, as it is that which receives the impression of the objects of sight, and conveys it to the mind. The retina consists of an expansion of the optic nerve... 
