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Laser engraving metal plates are manufactured with a finely polished metal, coated with an enamel paint made to be "burned off". At levels of 10 to 30 watts, excellent engravings are made as the enamel is removed quite cleanly. Much laser engraving is sold as exposed brass or silver-coated steel lettering on a black or dark-enamelled background.
The most reliable way of distinguishing between unfaced copper engraving and steel or steel-faced engraving is the "lightness and delicacy of the pale lines" in the latter. The hardness of the plate surface made it possible to print a good number of impressions without the metal of the plate wearing the lines out under the pressure of repeated ...
The finished letter punch is finally hardened to withstand the rigours of reproduction by striking. One counterpunch and one letterpunch are produced for every letter or glyph making up a complete font. Matrix The letterpunch is used to strike a blank die of soft metal to make a negative letter mould, called a matrix. Casting
Other terms often used for printed engravings are copper engraving, copper-plate engraving or line engraving. Steel engraving is the same technique, on steel or steel-faced plates, and was mostly used for banknotes, illustrations for books, magazines and reproductive prints, letterheads and similar uses from about 1790 to the early 20th century, when the technique became less popular, except ...
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The elements of engraving with the burin are evident in the engraving of letters, specifically, the capital letter B. This letter consists of two perpendicular straight lines and four distinct curves. The engraver scratches these lines, reversed, very lightly with a sharp point or stylus. Next, the engraver cuts out the blacks (not the whites ...