Note 64 — Chapter VII · THE PORCELAIN OF CHINA—(continued).
Reading edition
On the other hand, on some large showy vases of this time we can trace a series of rings, giving an uneven surface. These are caused either by the undue pressure of the potter’s fingers (vissage), or perhaps in part by the way in which the successive stages of the jar were built up with ‘sausage-shaped’ rolls of clay.