Dan Long took over engraving from his father ... glues a thin rubber sheet to the stone surface, then uses stencils to put the lettering and any additional designs on the rubber sheet.

The unusually large sample of 270 engraved eggshell fragments ... sample large enough to demonstrate that Stone Age people created design traditions, at least in their engravings, Texier says.

The unusually large sample of 270 engraved eggshell fragments ... sample large enough to demonstrate that Stone Age people created design traditions, at least in their engravings, Texier says.

Similar designs appear on engraved ochres from Blombos Cave ... complex social relations that emerged during the Middle Stone Age,” Rifkin explained. Christopher Henshilwood, a researcher ...

(In the time since the period was originally defined, earlier stone tools have ... as cave paintings and antlers engraved with pictures of animals or geometric designs. "Engraving is usually ...