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  2. Engraving - Wikipedia

    en.wikipedia.org/wiki/Engraving

    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 ...

  3. Laser engraving - Wikipedia

    en.wikipedia.org/wiki/Laser_engraving

    Laser marking on stainless steel A laser engraving machine A laser engraver. A laser engraving machine consists of three main parts: a laser, a controller, and a surface. [2] The laser is a drawing tool: the beam emitted from it allows the controller to trace patterns onto the surface.

  4. Bureau of Engraving and Printing - Wikipedia

    en.wikipedia.org/wiki/Bureau_of_Engraving_and...

    The first of the works printed by the BEP was placed on sale on July 18, 1894, and by the end of the first year of stamp production, the BEP had printed and delivered more than 2.1 billion stamps. The United States Postal Service switched purely to private postage stamp printers in 2005, ending 111 years of production by the Bureau.

  5. Duplicating machines - Wikipedia

    en.wikipedia.org/wiki/Duplicating_machines

    Duplicating machines were the predecessors of modern document-reproduction technology. They have now been replaced by digital duplicators, scanners , laser printers , and photocopiers , but for many years they were the primary means of reproducing documents for limited-run distribution.

  6. Line engraving - Wikipedia

    en.wikipedia.org/wiki/Line_engraving

    Line engraving is a term for engraved images printed on paper to be used as prints or illustrations. The term is mainly used in connection with 18th- or 19th-century commercial illustrations for magazines and books or reproductions of paintings .

  7. Rotogravure - Wikipedia

    en.wikipedia.org/wiki/Rotogravure

    Diagram of rotogravure process. Rotogravure (or gravure for short) is a type of intaglio printing process, which involves engraving the image onto an image carrier. In gravure printing, the image is engraved onto a cylinder because, like offset printing and flexography, it uses a rotary printing press.

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