stop-out varnish
Also called: stop out, stopping out
An acid-resistant varnish painted onto etching plate areas that should not be bitten further. Protects already-bitten areas while re-biting others to create darker tones.
Also called: stop out, stopping out
An acid-resistant varnish painted onto etching plate areas that should not be bitten further. Protects already-bitten areas while re-biting others to create darker tones.