...faces and curved edges, so as to follow a pattern. Other tools have faces ornamented with designs in cameo or intaglio, which are conferred upon the metal by the action of the punch and hammer. Chas ing by the graver may be merely engraving in lines, but is usually in the form of relief; parts of the metal being cut away, leaving protuberant portions of ornate form, and which are farther beautifi...