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" Herschel attributes this state of vision to a defect in the sensorium, by which it is rendered incapable of appreciating exactly those differences between rays on which their colour depends. "
A Treatise on Optics - Page 179
by David Brewster, Alexander Dallas Bache - 1833 - 95 pages
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The Edinburgh Journal of Science, Volume 10

1829
...eye, preventing certain rays from reaching the retina (as has been ingeniously supposed,) but from a defect in the sensorium, by which it is rendered...appreciating exactly those differences between rays in which their colour depends. The following is the result of a series of trials in which a succession...
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The Principles of Phrenology

Sid Smith - 1838 - 223 pages
...rays from reaching the retina (as has been ingeniously supposed), but from a defect in the sensorinm by which it is rendered incapable of appreciating...exactly those differences between rays on which their colour depends." Dr. Spurzheim and Mr. Combe suppose, that perception is the lowest, and memory the...
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The American Journal of the Medical Sciences, Volume 26

1839 - 542 pages
...careful investigations presently to be noticed. Sir John WF Herschell attributes this state of vision to a defect in the sensorium, by which it is rendered...exactly those differences between rays on which their colour depends. This profound philosopher observes, " We have examined with some attention a very eminent...
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The Eclectic Journal of Medicine ...

1840 - 474 pages
...careful investigations presently to be noticed. Sir John WF Herschell attributes this state of vision to a defect in the sensorium, by which it is rendered...exactly those differences between rays on which their colour depends. This profound philosopher observes, " We have examined with some attention a very eminent...
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The Eclectic Journal of Medicine, Volume 4

John Bell - 1840 - 482 pages
...presently to be noticed. Sir John WF Herschell attributes this stale of vision to a defect in the sensomim, by which it is rendered incapable of appreciating...exactly those differences between rays on which their colour depends. This profound philosopher observes, " We have examined with some attention a very eminent...
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Edinburgh Medical and Surgical Journal, Volume 56

1841 - 616 pages
...made on eyes affected with this peculiarity, is probably the correct one, viz. that jt is owing to " a defect in the sensorium, by which it is rendered...exactly those differences between rays on which their colour depends." of the complaint. In these cases he succeeded in removing the affection by dividing...
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A System of Phrenology

George Combe - 1842 - 524 pages
...eye preventing certain rays from reaching the retina, (as has been ingeniously supposed,) but from a defect in the sensorium, by which it is rendered...exactly those differences between rays on which their colour depends. "t There are instances of individuals who involuntarily associate particular colours...
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Encyclopædia metropolitana; or, Universal dictionary of knowledge ..., Volume 4

Encyclopaedia - 1845 - 876 pages
...eye, preventing certain rays from reaching the retina, (as has been ingeniously supposed,) but from a defect in the sensorium, by which it is rendered...exactly those differences between rays on which their colour depends. The following is the result of a series of trials, in which a succession of optical...
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The Family friend [ed. by R.K. Philp].

Robert Kemp Philp - 1855
...colouring matter in the humours of the eyes preventing certain rays from reaching the retina, but from a defect in the sensorium by which it is rendered...exactly those differences between rays on which their colour depends." 4- A. W— DERIVATION OF THE WORD " COCKNET." — We cannot give you the origin of...
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Hand-books of Natural Philosophy and Astronomy, Volume 3

Dionysius Lardner - 1854 - 762 pages
...but this opinion is, we think, not well founded. Sir J. Herschel attributes this state of vision to a defect in the sensorium, by which it is rendered...exactly those differences between rays on which their colour depends. CHAP. XY. OPTICAL INSTRUMENTS. Whatever be the defects of sight which spectacles may...
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