Creamware printers to Josiah Wedgwood by 1763, for example. By 1760 creamware was often enamelled for decoration, using a technique adopted from the early porcelain industry. This consisted of painting overglaze on the ware with pigments made from finely powdered coloured glass and then firing again to fuse the enamel to the ware. The varied enamel colours did not fuse at the same temperature so several firings were generally needed, adding to the expense. There were approximately 130 potteries in North Staffordshire during the 1750s, rising to around 150 by 1763 and employing up to 7,000 people – a large number
Jasperware @ 36s. per lb, which being too dear to mix with the clay of the whole grounds". By 1829 production in jasper had virtually ceased, but in 1844 production resumed making dipped wares. Solid jasper was not manufactured again until 1860. Early dark blue was often made by dipping a body made from the solid light blue. In the best early pieces the relief work was gone over, including some undercutting, by lapidaries. The artists used for jasperware cannot always be identified, as they are not named on pieces they designed. As well as the Flaxmans, father and son, Wedgwood