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And in gravure printing, contact between the printer head and the substrate can damage underlying layers.

An iron-wheeled engraving machine stood in one corner, and portfolios of gravures leaned against the walls.

Papillon, in his Traité de la gravure en bois, has given an elaborate, but, as usual with him, a very faulty description of these engravings.

The development of gravure printing made high-quality, mass- production print runs possible.

It is a complete, concise, and accurate grouping of all the subjects treated in The Mentor, under three headings—the gravure pictures, the monographs, and The Mentor articles.