By A Mystery Man Writer
DIY copper etching tutorial - Rings and ThingsRings and Things
Acid etching brass the easiest way I've found (after months of
Photoetching Metal Using Photocopy Transfer - Ganoksin Jewelry
Etching Brass Plates : 12 Steps (with Pictures) - Instructables
May - The R-390A Frequently Asked Questions Page
Acid Etching : 7 Steps (with Pictures) - Instructables
I've tried recreating the feel of the planetary survey UI by
Nanomanufacturing
Etching a Brass Type Label for my lathe without chemicals
Anodizing and dyeing aluminum without battery acid - Observations
Engraving Brass for Brass Name Plates with Dremel Engraver