History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c15.s1.60

c15.s1.60

The intermediate group is distinguished by the total disappearance of the grey and black polished wares, the complete absence of the mould technique, and of incised and painted decorations. In these it shares the features of the early group. Decorations were made only by the stamp and consisted mainly of symbols such as are found on Indian coins and sculptures of first century B.C. to the third century A.D. Most of the vessels are found to be devoid of slip or mesh.