It is an intaglio beside a cathedral, a humming-bird beside an eagle.
I return to a strange perforated pebble, an intaglio from Dumbuck.
One form of press is used for all manner of intaglio plate printing.
The intaglio work on this side is not equal to that in cameo, on the other.
As already shown, intaglio and relief can be printed on one stone.
How to do this has ...