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
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
ENAMELLIN@ IN ORDINARY, PART III. THE ART OF PATAMELLING IN ORDIARY, AND THE METHOD OF PREPARING THE COLOURS. THF ART OF PAINTING IN ENAMEL.-CURIOUS INSTRUCTIONS, HOW TO MAKE ARTIFICIAL PEARLS.-OF DOUBLETS AN1I FOILS, AND THE MAN#NER OF COLOUR 11G THEM.-THE ART OF COUNTERFEITING PRECIOUS STONES, WITH OHER RARE SECRETS, Of amelling in Ordinary; and of preparing the Enamel- colours. E NAMELLING is the art of laying a coat of enamel upon metals, 'as gold, silver, copper, &c. and of burning n varous colours' by the fire, so as to preserve indissoluble the figures and letters which are formed of them. Several receipts are in the possession of curious ar- tists, many of whom excel in this useful art; of these we shall now proceed to give the detail. VOL. 1.
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