White Ware Tea Bowl Late T'ang Dynasty (A.D. 618-906) Height 4.3cm Diameter of mouth 14.6cm In the T'ang period, tea was drunk from a bowl. Lu Yu's "Classic of Tea" praises greenware tea bowls as the finest, followed by white ware. The straight ring foot at the base of this bowl, and its lipped rim, are typical of the late T'ang style.