Silvering By Heat

Dissolve 1 oz. of silver in nitric acid; add a small quantity of salt; then wash it and add sal ammoniac, or 6 ozs. of salt and white vitriol; also 1/4 oz. of corrosive sublimate, rub them together till they form a paste, rub the piece which is to be silvered with the paste, heat it till the silver runs, after which dip it in a weak vitriol pickle to clean it.

Mixture For Silvering

Dissolve 2 ozs. of silver with 3 grains of corrosive sublimate; add tartaric acid, 4 lbs.; salt, 8 qts.

Separate Silver From Copper

Mix sulphuric acid 1 part; nitric acid, 1 part; water, 1 part boil the metal in the mixture till it is dissolved, and throw in a little salt to cause the silver to subside.