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the process of preparing letterpress plates from illustrations

a halftone produced by photoengraving The book is illustrated with ten photoengravings.

COMMENT: The term ‘engraving’ does not mean the same in pringint as it does in fine art. In printing, photoengraving etches (with an acid) the non-printing surfaces, leaving the top surface to carry the ink. Photoengraving can be used either for reproducing line drawings (where tones are represented by lines of ink) or halftones (where the tones are conveyed by many little dots of different sizes). On the other hand, an artist engraves a plate by cutting fine lines on it with a burin (a type of sharp needle); the image is fomed by putting ink into the cut lines, wiping excess ink off the top surface.



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Other Terms : bid | casein glue | exemplar
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