Colour-blindness and Colour-perceptionK. Paul, Trench, Trübner & Company, Limited, 1891 - 311 pages |
From inside the book
Results 1-5 of 93
Page 1
... yellow , green , blue , indigo and violet , each differing in refrangibility . Brewster was of opinion that there are three different colours in the spectrum - red , yellow , and blue . He believed that the simple spectrum is composed ...
... yellow , green , blue , indigo and violet , each differing in refrangibility . Brewster was of opinion that there are three different colours in the spectrum - red , yellow , and blue . He believed that the simple spectrum is composed ...
Page 11
... yellow consists of red , orange , yellow , green , a few blue , and the violet rays of the spectrum . Gaslight is a good example of yellow light of the above composition . It is rare to find a yellow body which reflects only the yellow ...
... yellow consists of red , orange , yellow , green , a few blue , and the violet rays of the spectrum . Gaslight is a good example of yellow light of the above composition . It is rare to find a yellow body which reflects only the yellow ...
Page 31
... yellow , green , blue , and violet ; and that one colour appears to shade off into those adjacent to it . We can examine the spectrum in another way - that is , by only observing a small portion at a time , either using shutters to a ...
... yellow , green , blue , and violet ; and that one colour appears to shade off into those adjacent to it . We can examine the spectrum in another way - that is , by only observing a small portion at a time , either using shutters to a ...
Page 33
... yellow , green , blue , and violet . A B RED . ORANGE . YELLOW . GREEN BLUE Fig . 11 . VIOLET . The above diagram represents a spectrum as seen by a normal - sighted person . A and B represent the centre points of approximate psycho ...
... yellow , green , blue , and violet . A B RED . ORANGE . YELLOW . GREEN BLUE Fig . 11 . VIOLET . The above diagram represents a spectrum as seen by a normal - sighted person . A and B represent the centre points of approximate psycho ...
Page 41
... green , yellow ; a bright but not quite so pure green , yellow - green ; a duller and not so pure green , pure green ; a mixture of the two colours , blue - green ; a blue , with a trace of green , blue ; the purest possible blue ...
... green , yellow ; a bright but not quite so pure green , yellow - green ; a duller and not so pure green , pure green ; a mixture of the two colours , blue - green ; a blue , with a trace of green , blue ; the purest possible blue ...
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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