Students' Text-book of Color: Or, Modern Chromatics, with Applications to Art and IndustryD. Appleton, 1903 - 329 pagini |
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Pagina 13
... considerable . For example , it may easily be the case that an object beyond the water , and situated at some distance from it , is not seen in the reflected picture at all , light from it either not reaching the water , or reaching the ...
... considerable . For example , it may easily be the case that an object beyond the water , and situated at some distance from it , is not seen in the reflected picture at all , light from it either not reaching the water , or reaching the ...
Pagina 18
... considerably out of its 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 ...
... considerably out of its 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 ...
Pagina 19
... considerable distance from them . As we pass on , the ten- dency to green becomes more decided , until finally a full green hue is reached . This colour is still pretty bright , FIG . 2. - Mode of isolating a Single Colour of the ...
... considerable distance from them . As we pass on , the ten- dency to green becomes more decided , until finally a full green hue is reached . This colour is still pretty bright , FIG . 2. - Mode of isolating a Single Colour of the ...
Pagina 23
... considerably with their luminosity ; hence for these experiments an illumination was selected such that it was only comfortably bright in the most lumi- nous portions of the spectrum , and this arrangement re- tained as well as possible ...
... considerably with their luminosity ; hence for these experiments an illumination was selected such that it was only comfortably bright in the most lumi- nous portions of the spectrum , and this arrangement re- tained as well as possible ...
Pagina 39
... considerable , if it is diluted with much white light . Purity and luminosity are , then , the factors on which the intensity or saturation de- pends . We shall see hereafter that this is strictly true only within certain limits , and ...
... considerable , if it is diluted with much white light . Purity and luminosity are , then , the factors on which the intensity or saturation de- pends . We shall see hereafter that this is strictly true only within certain limits , and ...
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.