Drawing into a grounded plate. A sharp needle breaks the surface of the acid resist. The plate is then bitten in acid, creating a line beneath the surface of the plate.
Working on a monoprint.
Grounding a plate. Hard ground, an acid resist, is applied to a heated plate, and then rolled out to produce a thin film.
First proof of a mezzotint.
Polymer plates and print. Polymer plates, or solar plates, are exposed to light and then processed with water. They are then printed as a traditional intaglio plate.