Electro-Gilding
To Recover Silver from Old present
This method requires only the fol- Plated Goods. Oil of vitriol, together with lowing precautions: The metallic surface 5 per cent. of…
Process of Electro-Gilding
The process of gilding is generally performed upon silver articles. The method of proceeduntil it is convenient to immerse them in the very…
To Prepare Cyanide of Gold
Dissolve 1 ounce of fine gold in 28 pennyweights nitric acid and 2 ounces muriatic acid, and add 1 quart hot water. Precipitate with the…
To Prepare a Solution of Gold
Dissolve 4 troy ounces cyanide of potassium and 1 ounce cyanide of gold in 1 gallon rain or distilled water. This solution is to be used at…