Coalport porcelain as vases, small boxes and table baskets. In 1820 Rose received the gold medal of the Society of Arts for his feldspar porcelain and an improved, lead-free glaze, with which the enamel colours fused in firing. Favourite patterns were the "worm sprig" and the "Tournai sprig" introduced by Billingsley at Pinxton, the Dresden-inspired "Berlin china edge", and the blue transfer willow pattern and blue dragon pattern. During the 1830s the factory initiated the practice of applying a light transfer printed blue outline, to guide the painters. This preserved some of the freedom of hand-painted decoration, while it enabled Rose to
Jingdezhen porcelain dominate production for the luxury market under the Qing. The imperial kilns were revived with 6 kilns and 23 workshops, dividing the other parts of the production process between them. Massive orders for the imperial palaces and temples resumed. While imperial taste in decoration remained somewhat conservative, the technical quality of Kangxi imperial wares reached new heights. The imperial kilns led the development of the new palettes of overglaze enamels; "famille verte", developed in two phases, was followed by "famille rose", and later others; these were the last major technical innovations at Jingdezhen, along with a technique for firing gold