 ... these Colours arise from such Motions excited in the bottom of the Eye by the Pressure and Motion of the Finger, as, at other times are excited there by Light for causing Vision? And do not the Motions once excited continue about a Second of Time...  A rationale of the laws of cerebral vision - Page 158by John Fearn - 1830Full view - About this book
 | Isaac Newton - 1730 - 432 pages
...about a Se-> Cond of Time before they ceafe ? And when a Man by a ftroke upon his Eye fees a flafh .of Light, are not the like Motions excited in the Retina by the ftroke ? And when a Coal of Fire moved nimbly in the circumference of a Circle, makes the whole circumference... | |
 | Robert Boyle - 1725 - 768 pages
...about a " fécond of time before they ccafe ? And " when я man by a ftroke upon his eve " fees a flaih of light, are not the like " motions excited in the retina by the " ftroke'." Newton, Opt.f. 511, 3". В г And PHYSICS. And if I feveral times fucceflively ihut and... | |
 | Henry Coddington - 1825 - 254 pages
...finger as at other times are excited there by light for causing vision ? And when a man by a stroke upon his eye sees a flash of light, are not the like motions excited in the retina by the stroke?" We may give the above as a specimen of some of the more . sane speculations on this subject, with respect... | |
 | James Cowles Prichard - 1829 - 268 pages
...other times are there excited by light for causing vision? And when a man, by a stroke upon his eyes, sees a flash of light, are not the like motions excited in the retina by the stroke ? And when a coal of fire, moved nimbly in the circumference of a circle, makes the whole circumference... | |
 | William Gifford, Sir John Taylor Coleridge, John Gibson Lockhart, Whitwell Elwin, William Macpherson, Sir William Smith, Rowland Edmund Prothero Baron Ernle, George Walter Prothero - 1832 - 634 pages
...motions, once excited, continue about a second of time before they cease? And when a man, by a stroke upon his eye, sees a flash of light, are not the like motions excited on the retina by the stroke ? ' Although Sir David has frequently repeated these experiments with the... | |
 | William Gifford, Sir John Taylor Coleridge, John Gibson Lockhart, Whitwell Elwin, William Macpherson, William Smith, Sir John Murray IV, Rowland Edmund Prothero (Baron Ernle) - 1832 - 608 pages
...motions, once excited, continue about a second of time before they cease? And when a man, by a stroke upon his eye, sees a flash of light, are not the like motions excited on the retina by the stroke ? ' Although Sir David has frequently repeated these experiments •with... | |
 | Chauncy Hare Townshend - 1840 - 604 pages
...once excited, continue about a second of time before they cease ? And when a man, by a stroke upon his eye, sees a flash of light, are not the like motions excited in the retina by the stroke ? And, when a coal of fire, moved nimbly in the circumference of a circle, makes the whole circumference... | |
 | 1832 - 516 pages
...motions once excited continue about a second of time before they cease? And when a man by a stroke upon his eye sees a flash of light, are not the like motions excited in the retina by the stroke ? And when a coal of fire moved nimbly in the circumference of a circle makes the whole circumference... | |
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