Trade Secrets And Private Recipes a Span Classsearchtermspan Classse
Trade Secrets And Private Recipes a Span Classsearchtermspan Classse
John Phin
The book Trade Secrets And Private Recipes a Span Classsearchtermspan Classse was written by author John Phin Here you can read free online of Trade Secrets And Private Recipes a Span Classsearchtermspan Classse book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Trade Secrets And Private Recipes a Span Classsearchtermspan Classse a good or bad book?
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4. Soft water, 1 quart ; sesquicarbonate of ammonia and car- bonate of potash, of each 1 oz ; tincture of cantharides, 8 fl. Oz. ; alcohol, 1 pint ; good rum, 5 quarts. Agitate the whole together, adding a little scent or not, at will. Silver-Plating Mixtures. A great deal of money has been made by the sale of these mix- tures, which under some circumstances are really valuable and use- ful. Many of the articles that are sold for this purpose contain mercury or quicksilver instead of real silve...r, and they invariably destroy the articles to which they are applied. Silvering fluids or powders containing mercury should never be used unless the articles are to be afterwards exposed to a red heat so as to drive off the mercury. A silvering fluid which is very commonly sold io housekeepers under the name of Novargent or Plate Renovit>r, consists merely of nitrate of mercury or quicksilver. When rut>b?d on a copper cent or a brass stair-rod it gives it at once a bright silvery surface, but the brightness soon fades, and the article, if brass, becomes black and dirty, while if it should be a piece of «0 TRADE SECRETS AND PRIVATE RECIPES.
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