 ... then if we allow the light of the sun, or the light of a candle, to act strongly upon the right eye, without affecting the left, which may be easily protected from its influence, the left hand strip of paper will be seen of a bright green colour,...  Optics - Pagina 276de Dionysius Lardner - 1856Vizualizare completă - Despre această carte
 | David Brewster, Alexander Dallas Bache - 1833 - 674 pagini
...remarkable phenomenon of accidental colors, in which the eye is not excited by any primitive color, was observed by Mr. Smith, surgeon in Fochabers. If...both eyes upon an object at some distance beyond it, then if we allow the light of the sun, or the light of a candle, to act strongly upon the right eye,... | |
 | Golding Bird - 1839 - 458 pagini
...we hold a slender slip of white paper vertically about a foot from the eyes, fixing both the latter upon an object at some distance beyond it, so as to see the paper double, and allow the light of a candle to act vividly on the right eye, without affecting... | |
 | David Brewster - 1841 - 432 pagini
...remarkable phenomenon of accidental colors, in which the eye is not excited by any primitive color, was observed by Mr. Smith, surgeon in Fochabers. If...both eyes upon an object at some distance beyond it, then if we allow the light of the sun, or the light of a candle, to act strongly upon the right eye,... | |
 | Golding Bird - 1848 - 446 pagini
...we hold a slender slip of white paper vertically about a foot from the eyes, fixing both the latter upon an object at some distance beyond it, so as to see the paper double, and allow the light of a candle to act vividly on the right eye, without affecting... | |
 | David Brewster - 1854 - 440 pagini
...which the eye is not excited by any primitive color, was observed by Mr. Smith, surgeon in Foehabers. If we hold a narrow strip of white paper vertically,...both eyes upon an object at some distance beyond it, then if we allow the light of the sun, or the light of a candle, to act stfongly upon the right eye,... | |
 | 1861 - 362 pagini
...curtain, the image of the luminous spot was green." Another observer, Mr. Smith, of Fochabers,10 states, " If we hold a narrow strip of white paper vertically,...as to see it double, then if we allow the light of tho sun, or n light from a candle, to act strongly upon the right eye without affecting the left, which... | |
 | 1862 - 522 pagini
...curtain, the image of the luminous spot was green." Another observer, Mr. Smith of Fochabers,* states, " If we hold a narrow strip of white paper vertically,...as to see it double, then if we allow the light of the sun, or a light from a candle, to act strongly upon the right eye without affecting the left, which... | |
 | Golding Bird, Charles Brooke - 1867 - 894 pagini
...Smith.* On holding a slender slip of white paper vertically about a foot from the eyes, and fixing them upon an object at some distance beyond it, so as to see the paper double, if the light of u candle be allowed to act vividly on the right eye, without affecting... | |
 | Dionysius Lardner - 1878 - 480 pagini
...colours of the spectrum. " The following is M. Plateau's account of his general theory. When the retma is submitted to the action of rays of any colour,...distance beyond it, so as to see it double, then if we allqw the light of sun, or the light of a candle, to act strongly upon the right eye, without affecting... | |
 | 1832 - 372 pagini
...thirteen families to leap for joy!" * * * E. MENNECHET. REMARKABLE PHENOMENON. IF we bold a narrow slip of paper vertically, about a foot from the eye, and fix...both eyes upon an object at some distance beyond it, then if we allow the light of the sun or the light of a candle to act strongly upon the right eye without... | |
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