Untitled. Electro-etching on copper plate. 20 x 15 cm. Lines on hard ground electro-etching active.
Electrotint with semy-dry electro-etching.
Untitled. Electro-etching on copper plate. 20 x 15 cm. Lines on hard ground electro-etching active.
Electrotint with semy-dry electro-etching.