process(copper and other)

Nze christian (113410.2751@compuserve.com)
Tue, 03 Feb 1998 15:51:05 -0500

Hi all,
today ifind an interesting book with a lot of formula:
copper, lead, mercury, manganese papers
and picture on zinc plate

does anybody try this process?
are they stable?
does anyone see a picture from this process?

thanks and goodbye
nze christian