This section is from the book "A Treatise On Beverages or The Complete Practical Bottler", by Charles Herman Sulz. Also available from Amazon: A Treatise On Beverages.
1 oz. of nitrate of silver and 3 oz. of cyanide of potassium (poison); dissolve in 4 oz. of distilled water, and rub this solution with a woolen cloth on the articles to be silver-coated, which have heen previously carefully cleansed from grease as formerly directed. More water than 4 oz. may be used, up to 10 oz., if but a weak silver-coating is desired.
Instead of cyanide of potassium 6 oz. sulphite of soda may be used.