Drawing & engraving : a brief exposition of technical principles & practice (1892)
Hamerton, Philip Gilbert, 1834-1894 · London ; Edinburgh : Adam and Charles Black · leaf 235
ely underit, but it was afterwards scraped quite clear of bur so as toexhibit the effects of the rockers teeth in digging into thecopper. The nine strong dotted lines are lines of ways,showing the direction of rocking. Here they are etched ; in aplate intended for future work they are temporarily…
Drawing · Engraving
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