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gillotage

printing

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use in etching

  • In photoengraving: Chemical etching—traditional and powderless processes

    …of lines and dots, called gillotage, has found wide use among European engravers. The “powdering” process, most widely used in the United States, involves brushing a resinous powder (dragons’ blood) against the sides of partially etched lines and dots and fusing, with heat, to provide an etchant-resistant coating. Several repetitions…

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