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,
Liverpool porcelain was said to be known as the "Pottery Capital of the World" (at least in the American Mid-West). The factories included: Richard Chaffers made soapstone-type porcelain featuring mainly Oriental designs at Shaw's Brow. An advertisement for it in 1756 provides the earliest documentation of Liverpool porcelain production, which he continued until his death in 1765. In 1756 he also held a license to mine soapstone at a site in Cornwall. The porcelain resembles Worcester porcelain. Most of the plates made by the factory are octagonal, and some tea and coffee sets are six-sided. A common product was a bulbous mug