The Encyclopedia Americana, Volume 7Grolier Incorporated, 1998 - Encyclopedias and dictionaries |
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Page 40
It grows less than a foot ( 30 cm ) tall and bears two narrow leaves about 5 inches ( 15 cm ) long . The dainty white or pink flowers are 34 of an inch ( 20 mm ) across and appear in April . The stem grows from a small underground tuber ...
It grows less than a foot ( 30 cm ) tall and bears two narrow leaves about 5 inches ( 15 cm ) long . The dainty white or pink flowers are 34 of an inch ( 20 mm ) across and appear in April . The stem grows from a small underground tuber ...
Page 311
If they spectrally selective to appear achromatic , for are presented rapidly enough to avoid ficker , the example , when the spectral selection is such result will appear as a steady , uniform color . that it can be balanced by use of ...
If they spectrally selective to appear achromatic , for are presented rapidly enough to avoid ficker , the example , when the spectral selection is such result will appear as a steady , uniform color . that it can be balanced by use of ...
Page 315
This theory implies that the color of any object , regardless of its actual spectral composition , may under suitable conditions appear hueless , with other colors appearing chromatic in relation to the neutral adaptation point .
This theory implies that the color of any object , regardless of its actual spectral composition , may under suitable conditions appear hueless , with other colors appearing chromatic in relation to the neutral adaptation point .
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