Electro-etching on copper plate. 8 x 12.5 cm. Electrotint with semi-dry electro-etching.
Plate etched in the positive pole (This plate and the previous one were made at the same time)
Electro-etching on copper plate. 8 x 12.5 cm. Electrotint with semi-dry electro-etching.
Plate etched in the positive pole (This plate and the previous one were made at the same time)