Engraved gems, signets, talismans and ornamental intaglios, ancient and modern (1912)
Osborne, Duffield, 1858-1917 · New York : Henry Holt · leaf 50
drill and graving tool, were still used for ordinary work, but intaglios of a high class were engraved with the wheel on carnelian, chalcedony, banded agate and sardonyx cut both parallel with and across the layers. Amethyst and rock-crystal are not rare, and hematite, por¬ phyry, serpentine and… … shapes were, the so-called glandular (Fig. 7), and, rarer still, r ’ * Fig. 8. Fig. 9. Fig. 10. The character of the work on the harder stones is often of a high order. The makers lacked the patience to elaborate details such as the Asiatic craftsmen delighted in, but they were artists to a degree…
Gems
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
