Biblical References
The earliest allusion to engraving in the Bible may be the reference to Judah's seal ring (Ge 38:18), followed by (Ex 39.30). Engraving was commonly done with pointed tools of iron or even with diamond points. (Jer 17:1).
Each of the two onyx stones on the shoulder-pieces of the high priest’s ephod was engraved with the names of six different tribes of Israel, and each of the 12 precious stones that adorned his breastpiece was engraved with the name of one of the tribes. The holy sign of dedication, the shining gold plate on the high priest's turban, was engraved with the words: "Holiness belongs to Adonai." Bezalel, along with Oholiab, was qualified to do this specialized engraving work as well as to train others.—Ex 35:30–35; 28:9–12; 39:6–14, 30.
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