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
Chinese ceramics "Yangcai" (洋彩), meaning 'foreign colours') was introduced during the reign of the Kangxi Emperor (1654–1722), possibly around 1720. It used mainly pink or purple and remained popular throughout the 18th and the 19th centuries, also being widely adopted by European factories. Famille rose enamel ware allows a greater range of colour and tone than was previously possible, enabling the depiction of more complex images, including flowers, figures and insects. Pottery classified as stoneware in the West is usually regarded as porcelain in Chinese terms, where a stoneware group is not recognised, and so the definition of porcelain is rather different,