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,
Porcelain in 1708. At the time, the research was still being supervised by Tschirnhaus; however, he died in October of that year. It was left to Böttger to report to Augustus in March 1709 that he could make porcelain. For this reason, credit for the European discovery of porcelain is traditionally ascribed to him rather than Tschirnhaus. The Meissen factory was established in 1710 after the development of a kiln and a glaze suitable for use with Böttger's porcelain, which required firing at temperatures of up to to achieve translucence. Meissen porcelain was "once-fired", or "green-fired". It was noted for its