042908_copperEtch_03
Step 3: Put the foam with the copper pieces in the solution and watch it turn green . . .
For full instructions go to Stop using Ferric Chloride etchant! (A better etching solution.) on Instructables.com
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Uploaded on April 29, 2008
Taken on April 29, 2008
042908_copperEtch_03
Step 3: Put the foam with the copper pieces in the solution and watch it turn green . . .
For full instructions go to Stop using Ferric Chloride etchant! (A better etching solution.) on Instructables.com
385
views
0
faves
0
comments
Uploaded on April 29, 2008
Taken on April 29, 2008