Electro-etching on copper plate. 20 x 16.5 cm. Electrotint with semi-dry electro-etching. Plate etched in the positive pole. (This plate and the previous two were made at the same time)
Electro-etching on copper plate. 20 x 16.5 cm. Electrotint with semi-dry electro-etching. Plate etched in the positive pole. (This plate and the previous two were made at the same time)