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Smith, G. / The laboratory; or, School of arts: containing a large collection of valuable secrets, experiments, and manual operations in arts and manufactures, highly useful to gilders, jewellers, enamellers, goldsmiths, dyers, cutlers, pewterers, joiners, japanners, book-binders, plasterers, artists, and to the workers in metals in general; and in plaster of paris, wood, ivory, bone, horn, and other materials
(1799)
Part III. The art of enamelling in ordinary, and the method of preparing the colours. The art of painting in enamel.--Curious instructions how to make artificial pearls.--Of doublets and foils, and the manner of colouring them.--The art of counterfeiting precious stones, with other rare secrets, p. 113
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