Colour-blindness and Colour-perceptionK. Paul, Trench, Trübner & Company, Limited, 1891 - 311 pages |
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Page 5
... difference between the undula- tions of air in the production of sound , and those of the luminiferous ether giving rise to the sensation of light . In the former case the waves are waves of condensation and rarefaction ; that is to say ...
... difference between the undula- tions of air in the production of sound , and those of the luminiferous ether giving rise to the sensation of light . In the former case the waves are waves of condensation and rarefaction ; that is to say ...
Page 12
... difference between the two , which may be admirably expressed by saying that the faculty of calcula- tion is large in the first man and small in the second . We have very little evidence to show where the faculties are situated ...
... difference between the two , which may be admirably expressed by saying that the faculty of calcula- tion is large in the first man and small in the second . We have very little evidence to show where the faculties are situated ...
Page 13
... differences in a physical series , the mind as a whole being made aware of these differences through definite perceptive ... difference are evident in the physical series . For the arguments and facts in support of the above views I must ...
... differences in a physical series , the mind as a whole being made aware of these differences through definite perceptive ... difference are evident in the physical series . For the arguments and facts in support of the above views I must ...
Page 15
... difference because the adjacent units are present for comparison ; and others in which no difference can be detected , even with the most careful comparison . These latter will be included in an absolute psycho - phy- sical unit . But ...
... difference because the adjacent units are present for comparison ; and others in which no difference can be detected , even with the most careful comparison . These latter will be included in an absolute psycho - phy- sical unit . But ...
Page 20
... difference can be distinguished between different portions of an approximate psycho - phy- sical unit ; but it is a slight difference . An approximate psycho - physical unit may be defined as a portion of a psycho - physical series ...
... difference can be distinguished between different portions of an approximate psycho - phy- sical unit ; but it is a slight difference . An approximate psycho - physical unit may be defined as a portion of a psycho - physical series ...
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Common terms and phrases
absolute psycho-physical units after-image ANNA BLACKWELL blue-green bright brown candidate centre colour-blind person colour-perception coloured glass complementary colours contrast correctly crimson dark daylight defect definite colours Demy 8vo distinguish English Essays examination Fcap Fifth Edition four-unit Fourth Edition Frontispiece gaslight gray greenish Holmgren's Illustrations India junction large number LL.B LL.D luminosity Maps match mistakes modified unit neutral band neutral glasses normal-sighted person obtained olive-green orange painted physical series physical units Pilotage pink Plates Pocket Test points of difference Portrait Post 8vo Prof psycho-physical perception psycho-physical series psycho-physical units pure green purple red and green red end red rays retina rose Royal 8vo Sanskrit scotoma Second Edition seen shade simultaneous contrast Small crown 8vo spectroscope spectrum standard red test for colour-blindness theory Third Edition three-unit tion Translated Trinity House two-unit colour-blind violet violet end visual purple vols wools yellow and blue yellow-brown yellow-green Young-Helmholtz theory