Colour-blindness and Colour-perceptionK. Paul, Trench, Trübner & Company, Limited, 1891 - 311ÆäÀÌÁö |
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4 ÆäÀÌÁö
... object . If we examine , with a prism , a beam of sunlight admitted through a slit in a shutter , we notice that the slit appears much broader than before , and variously coloured . This is due to the unequal refraction of the ...
... object . If we examine , with a prism , a beam of sunlight admitted through a slit in a shutter , we notice that the slit appears much broader than before , and variously coloured . This is due to the unequal refraction of the ...
14 ÆäÀÌÁö
... object capable of being perceived by the naked eye to a very large sphere . Each unit of this series should differ from the adjacent units in a very slight degree . This will approximately represent a physical series . The appearance of ...
... object capable of being perceived by the naked eye to a very large sphere . Each unit of this series should differ from the adjacent units in a very slight degree . This will approximately represent a physical series . The appearance of ...
15 ÆäÀÌÁö
... objects , and are therefore size - blind . It will be noticed that individuals will mark out points in the series where the difference between the units is so distinct that they would have noticed it if these units had been shown ...
... objects , and are therefore size - blind . It will be noticed that individuals will mark out points in the series where the difference between the units is so distinct that they would have noticed it if these units had been shown ...
18 ÆäÀÌÁö
... objects . It is obvious that the product of the physical stimulus may be considerably altered before it reaches the mind . The chief points in which a psycho - physical series differs from a physical series are , that it has a definite ...
... objects . It is obvious that the product of the physical stimulus may be considerably altered before it reaches the mind . The chief points in which a psycho - physical series differs from a physical series are , that it has a definite ...
36 ÆäÀÌÁö
... object to red and violet being the two points of greatest difference . It is evident enough , in the series of discs , that the largest disc presents the greatest contrast to the smallest one ; and , in the sound series , it is evident ...
... object to red and violet being the two points of greatest difference . It is evident enough , in the series of discs , that the largest disc presents the greatest contrast to the smallest one ; and , in the sound series , it is evident ...
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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