 We cannot, however, see an object distinctly, if we bring it very near to the eye, because the rays fall on the crystalline humour too divergent to be refracted to a focus on the retina. The confusion, therefore, arising from viewing an object too near...  Conversations on Natural Philosophy - Page 189by Mrs. Marcet (Jane Haldimand) - 1824 - 252 pagesFull view - About this book
 | Mrs. Marcet (Jane Haldimand), Thomas P. Jones - Physics - 1826 - 286 pages
...that we cannot see an object distinctly, if we place it very near to the eye? Mrs. B. Because the rays fall on the crystalline humour, too divergent to be...therefore, arising from viewing an object too near the eye, js similar to that which proceeds from a flattened crystalline humour; the rays reach the retina before... | |
 | Physics - 1832 - 642 pages
...We cannot, however, see an object distinctly, if we bring it very near to the eye, because the rays fall on the crystalline humour too divergent to be...retina before they are collected to a focus (.fig. 38). If it were not for this imperfection, we should be able to see and distinguish the parts of H... | |
 | Physics - 1832 - 640 pages
...We cannot, however, see an object distinctly, if we bring it very near to the eye, because the rays fall on the crystalline humour too divergent to be...rays reach the retina before they are collected to г focus (fg. 33). If it were not for this imperfection, we should be aUc to see and distinguish the... | |
 | 1832 - 650 pages
...cannot, however, see an object distinctly, if we bring it very near to the eye, because the rays fall nn the crystalline humour too divergent to be refracted...to a focus on the retina. The confusion, therefore, arihing from viewing an object too near the eye, is similar to that which proceeds from a flattened... | |
 | Ireland commissioners of nat. educ - 1835 - 398 pages
...We cannot, however, see an object distinctly, if we bring it very near to the eye, because the rays fall on the crystalline humour too divergent to be...reach the retina before they are collected to a focus. We conclude this subject with the following beautiful observations on the eye, from the pen of Addison... | |
 | John Lee Comstock - Physics - 1835 - 308 pages
...confused and indistinct, because the rays flowing from it, fall on the crystalline lens in a state too divergent to be refracted to a focus on the retina. The actual size of an image on the retina, capable of exci ting sensation, and consequently of producing... | |
 | Readers (Elementary) - 1836 - 424 pages
...We cannot, however, see an object distinctly if we bring it very near to the eye, because the rays fall on the crystalline humour too divergent to be...confusion, therefore, arising from viewing an object too I 349 near the eye, is similar to that which proceeds from a flattened crystalline humour ; the rays... | |
 | William Martin - Readers - 1838 - 368 pages
...distinctly, if we bring it very near to the eye, because the rays that fall on the crystalline humour are too divergent to be refracted to a focus on the retina....reach the retina before they are collected to a focus. We conclude this subject with the following beautiful observations on the eye, from the pen of Addison.... | |
 | Jane Marcet - 1839 - 544 pages
...that we cannot see an object distinctly, if we place it very near to the eye? MRS. B. Because the rays fall on the crystalline humour too divergent to be...retina before they are collected to a focus. (Fig- 3.) If it were not for this imperfection, we should be able to see and distinguish the parts of objects... | |
 | George Grant - Knowledge and learning - 1849 - 328 pages
...an object distinctly, if we bring it very near to the eye, because the rays fall on the crystaline humour too divergent to be refracted to a focus on...is similar to that which proceeds from a flattened crystaline humour; the rays reach the retina before they are collected to a focus. If it were not for... | |
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