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color

(Encyclopedia)color, effect produced on the eye and its associated nerves by light waves of different wavelength or frequency. Light transmitted from an object to the eye stimulates the different color cones of the...

textiles

(Encyclopedia)textiles, all fabrics made by weaving, felting, knitting, braiding, or netting, from the various textile fibers (see fiber). Yarn, fabrics, and tools for spinning and weaving have been found among...

lithography

(Encyclopedia)lithography lĭthŏgˈrəfē [key], type of planographic or surface printing. It is distinguished from letterpress (relief) printing and from intaglio printing (in which the design is cut or etched in...

Gutenberg, Johann

(Encyclopedia)Gutenberg, Johann go͞oˈtənbərg, Ger. yōˈhän go͞oˈtənbĕrk [key], c.1397–1468, German inventor and printer, long credited with the invention of a method of printing from movable type, inclu...

wallpaper

(Encyclopedia)wallpaper was used in Europe in the 16th and 17th cent. as an inexpensive substitute for costly hangings. The French developed marbled papers, introduced from the East via Italy and used at first for ...

Tory, Geofroy

(Encyclopedia)Tory, Geofroy zhôfrwäˈ tôrēˈ [key], c.1480–1533, Parisian printer, typographer, and author, b. Bourges. After study in Italy, he won distinction as a professor in Paris and became editor to th...

color blindness

(Encyclopedia)color blindness, visual defect resulting in the inability to distinguish colors. About 8% of men and 0.5% of women experience some difficulty in color perception. Color blindness is usually an inherit...

color index

(Encyclopedia)color index, in astronomy, difference in an object's brightness as recorded between any two well-defined bands of the electromagnetic spectrum by using optical filters of different colors. If blue and...

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