lithography

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lithography In art, method of printing from a flat, inked surface. In traditional lithography, invented in the 1790s, the design is made on a prepared plate or stone with a greasy pencil, crayon, or liquid. Water applied to the surface is absorbed where there is no design. Oil-based printing ink, rolled over the surface, sticks to the design, but not to the moist areas. Pressing paper onto the surface produces a print.

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