part 2c: when ammonia met salt (patina on copper)
22:09
Copper Patinas - How To Patina Copper Metal - Five Recipes - Verdigris, Liver of Sulphur, Vinegar
13:54
Red And Green Patinas On Copper Jewelry
7:22
Copper Oxidising using Mustard, Salt & Ammonia - Experimental Luthiery
15:07
Cool Tools | Die Forming without a Press by Robert Dancik
9:12
Top 5 Methods of Rusting Metal
8:29
Turn steel into copper! Simple DIY Copperplating
11:29
Simple Patina on Metal: Copper & Brass using Everyday Items from Your House
6:10