Colour-blindness and Colour-perceptionK. Paul, Trench, Trübner & Company, Limited, 1891 - 311페이지 |
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93개의 결과 중 1 - 5개
4 페이지
... appears much broader than before , and variously coloured . This is due to the unequal refraction of the constituent rays of white light . A beam of sun- light , examined in this way , gives a continuous spectrum ; but if we take ...
... appears much broader than before , and variously coloured . This is due to the unequal refraction of the constituent rays of white light . A beam of sun- light , examined in this way , gives a continuous spectrum ; but if we take ...
8 페이지
... appear black . For instance , if we look at a piece of ultramarine by the light of burning sodium it appears black . Without light we cannot have colour , and as the light of the sun is white , it must follow that something must be ...
... appear black . For instance , if we look at a piece of ultramarine by the light of burning sodium it appears black . Without light we cannot have colour , and as the light of the sun is white , it must follow that something must be ...
9 페이지
... appear green . The piece of yellow glass may then be subjected to spectroscopic analysis : it will be found to transmit in addition to the yellow rays the orange , green , and some of the red rays . The blue glass will be found to ...
... appear green . The piece of yellow glass may then be subjected to spectroscopic analysis : it will be found to transmit in addition to the yellow rays the orange , green , and some of the red rays . The blue glass will be found to ...
10 페이지
... appear alternately light and dark . Darkness will only be produced with monochro- matic light . When ordinary daylight is used , the rings appear coloured , because this light being composed of rays of different wave - lengths , only a ...
... appear alternately light and dark . Darkness will only be produced with monochro- matic light . When ordinary daylight is used , the rings appear coloured , because this light being composed of rays of different wave - lengths , only a ...
11 페이지
... appear yellow . It will therefore be seen that the composition of this 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 ...
... appear yellow . It will therefore be seen that the composition of this 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 ...
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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