French porcelain letters sent to Father Orry in Paris were first published by Jean-Baptiste Du Halde in 1735, with English editions appearing in 1736 or 1738. The letters were later again published by Abbé Jean-Baptiste Grosier in his "General Description of China". D'Entrecolles also sent material specimens to Europe, which were analysed by Réaumur, and led to the establishment of the Sèvres Manufactory once equivalent materials were found in Europe. After 1730, polychrome porcelain also came to be produced, often in imitation of Chinese polychrome styles of porcelain, such as the "Famille rose" types. The Japanese "Kakiemon" style of Arita porcelain, Japan,
Biscuit porcelain by giving them a temporary coating of wax or something similar to keep the glaze off; this is a fairly common feature of Longquan celadon (which is porcelain in Chinese terms), and also found in Ming dragons. Some Chinese pieces are described as "porcelain with polychrome enamels on the biscuit" - that is, using the normal "overglaze" technique on biscuit, but with no actual glaze, often a revivalist style evoking earlier sancai wares (which were not in porcelain). The laborious and mostly 19th-century pâte-sur-pâte technique often uses biscuit for at least one of the colours. Biscuit porcelain Biscuit porcelain, bisque