Coalport porcelain overglaze decoration, mostly with floral subjects. A further round of mergers in 1819 brought moulds and skilled staff from Nantgarw porcelain and Swansea porcelain to Coalbrook, which continued to thrive through the rest of the century. The Coalport factory was founded by John Rose in 1795; he continued to run it successfully until his death in 1841. The company often sold its wares as Coalbrookdale porcelain, especially the pieces with flowers modelled in three dimensions, and they may be called Coalport China. Rose employed William Billingsley, formerly at Nantgarw, as chief painter, and Billingsley's chemist, Walker, who initiated at Coalport
Coalport porcelain a maroon glaze and brought the Nantgarw technical recipes to Rose at Coalport. Coalport and Coalbrookdale specialised in dinner services. The familiar "Indian tree" pattern, which is based in fact on Chinese rather than Indian prototypes, was originated at Coalport; variants have been produced by virtually all the British manufacturers of table wares and continue to be available today. Models that originated at Meissen and Sèvres were copied at Coalbrookdale in the mid-19th century, sometimes with misleading marks, "a practice which ought to have been avoided", William Chaffers observed. Sprigged floral encrusted decoration was also typical of Coalport wares, such