part 2c: when ammonia met salt (patina on copper)
13:54
Red And Green Patinas On Copper Jewelry
22:09
Copper Patinas - How To Patina Copper Metal - Five Recipes - Verdigris, Liver of Sulphur, Vinegar
7:22
Copper Oxidising using Mustard, Salt & Ammonia - Experimental Luthiery
26:23
Cool Tools | Introduction to Foldforming by Robert Dancik
8:51
Copper Sulfate on steel FREAKED ME OUT!!!!
6:06
Maxed Out - 6 Ways to Patina Copper
6:07
Copper Sulfate on all metals
9:38