Etching Without Acid
Cedric Green, an artist and printmaker concerned about his health and about the
environment, describes how his technique has been transformed by the rediscovery of the
old electrolytic plate-making processes, the creative application of some new
chemical etching solutions, tinting and graining methods to intaglio plate-making.
http://www.hijau.demon.co.uk/galvetch/greenpnt.htm