some other hobby uses and techniques for photochemical
electro etching, that are less tech intensive [i.e. less
expensive].

http://www.aardvark.co.nz/pjet/makevalves1.pdf

http://www.youtube.com/watch?v=jEnNMTMZadw

http://www.scribd.com/doc/80581475/1...emical-Etching



--
Unka' George

"Gold is the money of kings,
silver is the money of gentlemen,
barter is the money of peasants,
but debt is the money of slaves"

-Norm Franz, "Money and Wealth in the New Millenium"