Porcelain single operation. In this process, "green" (unfired) ceramic wares are heated to high temperatures in a kiln to permanently set their shapes. Porcelain is fired at a higher temperature than earthenware so that the body can vitrify and become non-porous. Porcelain originated in China, and it took a long time to reach the modern material. Until recent times, almost all East Asian porcelain was of the hard-paste type. There is no precise date to separate the production of proto-porcelain from that of porcelain. Although proto-porcelain wares exist dating from the Shang dynasty (1600–1046 BC), by the time of the Eastern
Edmé Samson well as plates in the manner associated with Bernard Palissy. Also copied by the Samson firm were the early Qing dynasty famille rose and famille verte Chinese porcelains and the so-called "Imari wares", named for the Japanese port where a type of richly decorated porcelain made at Arita was shipped. The firm exhibited at the International Exposition (1867) and the Exposition Universelle (1889). Samson, Edmé et Cie did not set out to produce copies with the intention to deceive, and claimed all reproductions the firm produced would be distinctly marked to avoid confusion with the originals. However, many of its