Bone china - a kind of porcelain, containing besides kaolin, feldspar and quartz from 25% to 50% bone ash. Bone china differ with the particular elegance, precision and translucency. It was developed by the English master of ceramics Josiah Spoud.
Josiah Spoud I (1733-1797)
Tableware made of bone china are usually, but not always, contain coded Bone china (bone china) or Fine bone china (exquisite bone china).