Engraving and etching : a handbook for the use of students and print collectors (1907)
Lippmann, Friedrich, 1839-1903, Lehrs, Max, 1855-1938, Hardie, Martin, 1875-1952 · New York : C. Scribner's Sons · leaf 22
Fig. 2. Method of holdingand using the Burin. the copper is, the stronger and purer will the lines showon the finished print. While the burin makes furrows on the metal answeringto the shape of its point, it raises up a certain amount ofmetal on either side (fig. 3). This produces a roughness,known…
Engraving -- History · Etching -- History
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