The supposed site of the Black Hole is marked by an engraved plate.

But the bull- engraved plate is very unlikely to be part of the device's complex workings.

Just under the silver case, a pierced and engraved plate protects the works behind a forest of flutings and flourishes.

I took the weapon down from my shoulder, flipped it over, and eyed a little engraved plate on the butt.

His caress revealed the case was locked and bore no combination knobs, just an engraved plate that depicted a snake, eating its own tail.

"Yes; but here's more," said Betsy, reading from another engraved plate: