I'm trying to use other metallic plates than zinc ones to engrave cadels letters. This time, a bit of "I don't know what" previously used as a lid of a cigar box.
the pinkish hue is not totally uninteresting but as the varnish started to unstick after a few minutes in the acid bath, I had to stop the experiment.
Maybe anoter try soon with another kind of varnish ??
Spring has come, we can work with the windows open. But beware of the breeze which tease the stacks of paper ! To avoid inopportune brewings, here is the solution : the paperweight