Colour-blindness and Colour-perceptionK. Paul, Trench, Trübner & Company, Limited, 1891 - 311 pages |
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Results 1-5 of 45
Page 5
... considerable difference between the undula- tions of air in the production of sound , and those of the luminiferous ether giving rise to the sensation of light . In the former case the waves are waves of condensation and rarefaction ...
... considerable difference between the undula- tions of air in the production of sound , and those of the luminiferous ether giving rise to the sensation of light . In the former case the waves are waves of condensation and rarefaction ...
Page 7
... considerably below the red which are performing useful work , and which cannot be brought under the direct evidence of the senses . In order that the reader may be able to follow the theory on which this book is based , it is essential ...
... considerably below the red which are performing useful work , and which cannot be brought under the direct evidence of the senses . In order that the reader may be able to follow the theory on which this book is based , it is essential ...
Page 12
... considerably from the ordinarily accepted theories , and , as far as I am aware , are entirely my own . Most ... considerable por- tion of the brain , or whether they are confined to certain convolutions . I am inclined to hold the ...
... considerably from the ordinarily accepted theories , and , as far as I am aware , are entirely my own . Most ... considerable por- tion of the brain , or whether they are confined to certain convolutions . I am inclined to hold the ...
Page 18
... 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 commence- ment , a definite termination , and consists of certain ...
... 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 commence- ment , a definite termination , and consists of certain ...
Page 25
... considerably in the height of the notes which they are able to hear . One person may hear a note which is more than an octave higher than that heard by another . Similar conditions are found with regard to low notes . It must be ...
... considerably in the height of the notes which they are able to hear . One person may hear a note which is more than an octave higher than that heard by another . Similar conditions are found with regard to low notes . It must be ...
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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