Trade Secrets, or Practical Hints: Over 600 Rare and Valuable Receipts for Gold and Silver Plating, Nickel Plating, Soldering Tempering, Plating With ... Celluloid, Cleansing Silverware or Brass - Tapa blanda

Sinopsis

Excerpt from Trade Secrets, or Practical Hints: Over 600 Rare and Valuable Receipts for Gold and Silver Plating, Nickel Plating, Soldering Tempering, Plating With Gold Amalgam, Copper Plate Etching, Silvering Glass, Mending Celluloid, Cleansing Silverware or Brass

Very Fine Bronze for Brass. - One-half pound muriatic acid, one-fourth pound white arsenic; dis solve in an earthen vessel, and proceed as in the usual way.

To Polish Steel. - Take crocus of oxide of tin, and graduate it, and apply it to the steel by means of a piece of soft iron, or bell metal, applied with flour of emery. The German mode of polishing steel is per formed by the use of crocus on a buff wheel. Nothing can exceed the surpassing beauty imparted by steel, or even cast iron, by this process.

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