The print collector : an introduction to the knowledge necessary for forming a collection of ancient prints (1885)
Maberly, Joseph, Hoe, Robert, 1839-1909, Fielding, T. H. (Theodore Henry), 1781-1851 · New York : Frederick Keppel · leaf 271
lat tints are laid in in Indian-ink, and then touched up with a blacklead pencil ; the other in which every line is drawn exactly as it is in- tended to be produced in the engraving. The tools used by wood engravers are gravers, tint tools, scoopers or gouges, chisels or flat tools, and a mezzotint… … Six or eight will generally be found sufificient.
Dürer, Albrecht, 1471-1528 · Rembrandt Harmenszoon van Rijn, 1606-1669 · Engraving
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.