e shape of its point, it raises up a certain amount ofmetal on either side (fig. 3). This produces a roughness,known as Burr, which as a rule must be removed. This isdone by means of the Scraper (fig. 4), a short, dagger-shaped steel instrument with three sharp edges. Thescraper is worked over the… … THE TECHNIQUE OF ENGRAVING 3 To restore the necessary smoothness to places that havebeen submitted to the scraper they are worked over withthe Burnisher, another dagger-shaped steel instrument,round or oval in section, and having a highly polishedsurface. By means of the burnisher it is also…
Engraving · Etching
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