Before revision: Etching by Jacques Bellange, Gardener with basket c. 1612 Callot also appears to have been responsible for an improved, harder, recipe for the etching ground, using lute-makers' varnish rather than a wax-based formula.
After revision: Etching by Jacques Bellange, Gardener with basket Callot also appears to have been responsible for an improved, harder, recipe for the etching ground, using lute-makers' varnish rather than a wax-based formula.