Figure 24 Various China glaze forms. Left to right: spill vase, mustard pot, two-handled cup, and spitting cup; Yorkshire or Staffordshire, 1775–1810. China glaze. H. of vase: 6 1/4". Almost every imaginable form appears to have been made and decorated in the Chinese house pattern between 1775 and 1820. Blue-printed patterns continued to be used on virtually every form produced by the English potting industry well into the nineteenth century.