One thousand valuable secrets, in the elegant and useful arts : collected from the practice of the best artists, and containing an account of the various methods of engraving on brass, copper and steel. Of the composition of metals. -- of varnishes. Of mastichs, cements, sealing wax. Of the glass manufactory. Various imitations of precious stones and French paste. Of colours and painting, useful for carriage painters. Of painting on paper. Of compositions for limners. Of transparent colours. Of colours to dye skins and gloves. To colour and varnish copper-plate prints. Of painting on glass. Of colours of all sorts, for oil, water and crayons. Of preparing the lapis lazuli. To make ultramarine. Of the art of guilding. The art of dying woods, bones, &c. The art of casting in moulds. Of making useful sort of ink. The art of making wines. -- Of making vinegars. Of liquors, essential oils, &c. Of confectionary. Of preparing various kinds of snuffs. Of taking out spots and stains. Of fishing, angling, bird-catching, and a variety of other curious, entertaining and useful articles.