Colour-blindness and Colour-perceptionK. Paul, Trench, Trübner & Company, Limited, 1891 - 311 pages |
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Page 8
... produced by Dispersion . When colours are produced in this way , the white light is not altered in character . The constituent rays , on account of their unequal refrangibility , are spread out in the form of a series . This is called ...
... produced by Dispersion . When colours are produced in this way , the white light is not altered in character . The constituent rays , on account of their unequal refrangibility , are spread out in the form of a series . This is called ...
Page 9
... produced by Interference . The production of colour by interference is admirably explained by the wave theory of light . The following explanation will show how these colours are produced . If we throw a stone into a pond we shall start ...
... produced by Interference . The production of colour by interference is admirably explained by the wave theory of light . The following explanation will show how these colours are produced . If we throw a stone into a pond we shall start ...
Page 10
... produced . The colours pro- duced by diffraction , thin plates , and polarization are due to interference . The above are the commonest ways in which colour is produced , but colour may be produced by alteration in wave - length , as in ...
... produced . The colours pro- duced by diffraction , thin plates , and polarization are due to interference . The above are the commonest ways in which colour is produced , but colour may be produced by alteration in wave - length , as in ...
Page 11
Frederick William Edridge-Green. of ways . colour may be produced in an almost innumerable number Let us first deal with solar light . If this falls upon a body and the particles of that body absorb some of the blue rays it will appear ...
Frederick William Edridge-Green. of ways . colour may be produced in an almost innumerable number Let us first deal with solar light . If this falls upon a body and the particles of that body absorb some of the blue rays it will appear ...
Page 17
... produced by 8 vibrations per second , to those which are produced by 36,500 vibrations per second . Let us then change the standard of time , and suppose that there are only 59 seconds in a minute instead of 60 , and then estimate the ...
... produced by 8 vibrations per second , to those which are produced by 36,500 vibrations per second . Let us then change the standard of time , and suppose that there are only 59 seconds in a minute instead of 60 , and then estimate the ...
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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