The laboratory, [electronic resource] : or school of arts ; in which are faithfully exhibited and fully explain'd, I. A variety of curious and valuable experiments in refining, Calcining, Melting, Assaying, Casting, Allaying, and Toughening Gold; With several other Curiosities relating to Gold and Silver. II. Choice Secrets for Jewellers, in the Management of Gold; in Enamelling, and the Preparation of Enamel-Colours, with the Art of Copying Precious Stones; of preparing Colours for Doublets; of Colouring Foyles for Jewels, together with other rare Secrets. III. Several uncommon Experiments for Casting in Silver, Copper, Brass, Tin, Steel and other Metals; likewise in Wax, Plaister of Paris, Wood, Horn, &c. With the Management of the respective Moulds. IV. The Art of making Glass: Exhibiting withal the Art of Painting and making Impressions upon Glass, and of Laying thereon Gold or Silver; together with the Method of Preparing the Colours for Porters-Work or Delet Ware. V. A Collection of very valuable Secrets for the Use of Cutlers, Pewterers, Brasiers, Joiners, Turners, Japanners, Book-Binders, Distillers, Stone-Cutters, Limners, &c. VI. A dissertation on the nature and growth of saltpeter ; Also, Several other choice and uncommon Experiments. Translated from the German.