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Subject: instructables 1 min PC etch using sponge & FeCl
From:
William Alford <walford@...>
Date:
2009-08-14
http://www.instructables.com/id/Sponge-Ferric-Chloride-Method-Etch-Circuit-Bo/
William Alford
GI Motility Medical Research Page
http://alford.grimtrojan.com/
[Non-text portions of this message have been removed]