Students' Text-book of Color: Or, Modern Chromatics, with Applications to Art and IndustryD. Appleton, 1903 - 329 pagini |
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Pagina 12
... actually does reflect ninety - two per cent . of the light falling perpendicularly on it ; and though the percentages reflected by steel and other metals are smaller , yet the difference is not ordinarily and easily dis tinguished by an ...
... actually does reflect ninety - two per cent . of the light falling perpendicularly on it ; and though the percentages reflected by steel and other metals are smaller , yet the difference is not ordinarily and easily dis tinguished by an ...
Pagina 14
... actually employ , in the end , exactly the same means in acting on the eye of the beholder . This point , seemingly so trite , is touched upon , as an idea seems to prevail in the minds of many per- sons that Nature paints always with ...
... actually employ , in the end , exactly the same means in acting on the eye of the beholder . This point , seemingly so trite , is touched upon , as an idea seems to prevail in the minds of many per- sons that Nature paints always with ...
Pagina 27
... actually are accompanied by equal alterations of hue in all parts of the spectrum . To take an example : in pass- ing from the orange - yellow , through the pure yellow and greenish - yellow well into the yellow - green region , we find ...
... actually are accompanied by equal alterations of hue in all parts of the spectrum . To take an example : in pass- ing from the orange - yellow , through the pure yellow and greenish - yellow well into the yellow - green region , we find ...
Pagina 33
... actually reflects much light to the eye . The term " bright colour " is sometimes used in a somewhat analogous sense by them , but the ideas are so totally different that there is little risk of confusion . The determination of the ...
... actually reflects much light to the eye . The term " bright colour " is sometimes used in a somewhat analogous sense by them , but the ideas are so totally different that there is little risk of confusion . The determination of the ...
Pagina 35
... actually does reflect from two to six per cent . , the reflecting power of white paper being put at 100. The black disk used by the author reflected 5.2 per cent . of white light ; to meet this a correction was intro- duced , and a ...
... actually does reflect from two to six per cent . , the reflecting power of white paper being put at 100. The black disk used by the author reflected 5.2 per cent . of white light ; to meet this a correction was intro- duced , and a ...
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.