Students' Text-book of Color: Or, Modern Chromatics, with Applications to Art and IndustryD. Appleton, 1903 - 329 pagini |
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Pagina 15
... course essen- tially different , a genuine , well - defined shadow on water scarcely occurring except in cases of turbidity . : We have seen that all bodies reflect some of the light falling on them ; it is equally true that they ...
... course essen- tially different , a genuine , well - defined shadow on water scarcely occurring except in cases of turbidity . : We have seen that all bodies reflect some of the light falling on them ; it is equally true that they ...
Pagina 18
... course ; and , on tracing up this deflected portion , we shall find it no longer white , but changed into a long streak of pure and beautiful colours , which blend into each other by gentle gradations . If this streak of coloured light ...
... course ; and , on tracing up this deflected portion , we shall find it no longer white , but changed into a long streak of pure and beautiful colours , which blend into each other by gentle gradations . If this streak of coloured light ...
Pagina 26
... course , that favoured accurate observation . The tables that have just been given enable us very easily to calculate the lengths of the waves of light , cor- responding to the centres of the coloured spaces in the nor- mal spectrum ...
... course , that favoured accurate observation . The tables that have just been given enable us very easily to calculate the lengths of the waves of light , cor- responding to the centres of the coloured spaces in the nor- mal spectrum ...
Pagina 32
... course taken as 100 , and the results here given are to be regarded only as approximations . In every case some white light is sure to be present ; its effect is to soften the colour and reduce its action on the eye ; when the ...
... course taken as 100 , and the results here given are to be regarded only as approximations . In every case some white light is sure to be present ; its effect is to soften the colour and reduce its action on the eye ; when the ...
Pagina 34
... course not be altered , but the black and white will blend into a grey . This grey can be altered in its brightness , till it seems about as luminous as the red ( Fig . 8 ) . If we find , for example , that with the disk three quar ...
... course not be altered , but the black and white will blend into a grey . This grey can be altered in its brightness , till it seems about as luminous as the red ( Fig . 8 ) . If we find , for example , that with the disk three quar ...
Alte ediții - Afișează-le pe toate
Students' Text-book of Color: Or, Modern Chromatics, with Applications to ... Ogden Nicholas Rood Vizualizare completă - 1895 |
Students' Text-book of Color; Or, Modern Chromatics: With Applications to ... Ogden Nicholas Rood Vizualizare completă - 1899 |
Students' Text-book of Color: Or, Modern Chromatics, with Applications to ... Ogden Nicholas Rood Vizualizare completă - 1913 |
Termeni și expresii frecvente
appear arranged artists beautiful blue-green bluish bluish-green bright brilliant brown carmine cause changes CHAPTER chromatic circle chromatic composition chrome-yellow colour-blind coloured light coloured surfaces combinations complementary colours contrast cyan-blue dark darkened emerald-green employed experiment fact fixed lines fundamental colours furnished gamboge gives gradation green and violet green light green-blue greenish greenish-blue greenish-yellow Helmholtz hence illumination Illustrations indicated in Fig intensity kind less light and shade luminosity luminous Maxwell ment mingled mixed mixture nature normal eye normal spectrum objects observer obtained ochre optic nerve orange orange-red orange-yellow painted pale pigments placed plate portion position present prism Professor Prussian-blue pure colours pure grey purple rays reach the eye red and green red lead red light reflected light result retina rotation saturated sensation stained glass theory of colour tints tion transmitted ultramarine ultramarine-blue uranium glass vermilion violet nerves violet-blue water-colour wave-length white light white paper yellowish yellowish-green
Pasaje populare
Pagina 246 - ... just what curvature is to lines, both being felt to be beautiful by the pure instinct of every human mind, and both, considered as types, expressing the law of gradual change and progress in the human soul itself.