Removing the 'ground' from the metal plate, revealing the marks I made when I painted my image using a 'lift ground' paste on the metal

It's a little like magic as the image is revealed.

My etching plate as etching is underway in the copper sulphate saline solution

The mordant (in this case copper sulphate with salt added) 'bites' grooves into the metal plate in preparation for my printing it.

Etching a new metal plate of Birmingham library in my studio