material
Hard Ground
A hard acid-resist wax ground for line etching on metal plates. Not soft-ground, and not asphaltum-ink as the liquid resist alone.
Also known as Hard etching ground · Etching hard ground
material
A hard acid-resist wax ground for line etching on metal plates. Not soft-ground, and not asphaltum-ink as the liquid resist alone.
Also known as Hard etching ground · Etching hard ground