Colour-blindness and Colour-perceptionK. Paul, Trench, Trübner & Company, Limited, 1891 - 311 pages |
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Page 7
Frederick William Edridge-Green. spectrum , there are two other sets of rays , which under ordinary circumstances are ... unit . The physical - light series , therefore , consists of rays having different wave - lengths . A unit in the ...
Frederick William Edridge-Green. spectrum , there are two other sets of rays , which under ordinary circumstances are ... unit . The physical - light series , therefore , consists of rays having different wave - lengths . A unit in the ...
Page 17
... second according to this scale of time . It is evident that nearly every one of the units will have fractional vibrations per second . It is probable that in some hundreds of apparently similar sounds that there are not two alike ...
... second according to this scale of time . It is evident that nearly every one of the units will have fractional vibrations per second . It is probable that in some hundreds of apparently similar sounds that there are not two alike ...
Page 19
... Unit . - The absolute psycho - physical units are the basis of every psycho - phy- sical series . When a person has succeeded in obtaining a match , which to him appears perfect , it is evident that he has brought both stimuli within ...
... Unit . - The absolute psycho - physical units are the basis of every psycho - phy- sical series . When a person has succeeded in obtaining a match , which to him appears perfect , it is evident that he has brought both stimuli within ...
Page 20
Frederick William Edridge-Green. has succeeded in getting the two strings to vibrate in apparently perfect unison , it is evident that he has brought the two into one of his absolute psycho - physical units . A musician with a more ...
Frederick William Edridge-Green. has succeeded in getting the two strings to vibrate in apparently perfect unison , it is evident that he has brought the two into one of his absolute psycho - physical units . A musician with a more ...
Page 21
... units are apparently equal , we can take the period of one hour as representing a por- tion of a physical series , and one - tenth of a second as a period representing an approximate physical unit . It is evident that the two points of ...
... units are apparently equal , we can take the period of one hour as representing a por- tion of a physical series , and one - tenth of a second as a period representing an approximate physical unit . It is evident that the two points of ...
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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