Colour-blindness and Colour-perceptionK. Paul, Trench, Trübner & Company, Limited, 1891 - 311페이지 |
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36 페이지
... violet is regarded by most persons as a mixture of red and blue . But red and blue do not make violet , as will be seen by mixing the pure spectral colours . Red and blue make a purple 36 COLOUR - BLINDNESS AND COLOUR - PERCEPTION .
... violet is regarded by most persons as a mixture of red and blue . But red and blue do not make violet , as will be seen by mixing the pure spectral colours . Red and blue make a purple 36 COLOUR - BLINDNESS AND COLOUR - PERCEPTION .
37 페이지
... purple . Those who look at colour from a scientific standpoint , regard the complementary of any colour as that which contrasts most strongly with it . It will be found , on referring to the chapter on the physiological phenomena of ...
... purple . Those who look at colour from a scientific standpoint , regard the complementary of any colour as that which contrasts most strongly with it . It will be found , on referring to the chapter on the physiological phenomena of ...
42 페이지
... purple containing less red than violet will be classed with the violets , whilst a rose - red containing more red than violet will be classed according to its shade with red , orange , or yellow . A rose which consists as nearly as ...
... purple containing less red than violet will be classed with the violets , whilst a rose - red containing more red than violet will be classed according to its shade with red , orange , or yellow . A rose which consists as nearly as ...
48 페이지
... purple substance is found which is sensitive to light . This purple is sensitive to monochromatic as well as to white light . It is bleached most rapidly by the greenish yellow rays , those to the blue side of these coming next , the ...
... purple substance is found which is sensitive to light . This purple is sensitive to monochromatic as well as to white light . It is bleached most rapidly by the greenish yellow rays , those to the blue side of these coming next , the ...
50 페이지
... purple fluid thus obtained reacts to light in the same way as normal visual purple . 7. That after being bleached it was regenerated by the pigmentary layer of the retina . 8. That it is bleached by monochromatic as well as white light ...
... purple fluid thus obtained reacts to light in the same way as normal visual purple . 7. That after being bleached it was regenerated by the pigmentary layer of the retina . 8. That it is bleached by monochromatic as well as white light ...
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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