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Pottery, earthenware or terracotta is made from
ordinary clay, that is usually shaped and then fired at between 600 to
800°C. In this form, pottery is permeable. Widely available clay deposits
probably explain why pottery was the earliest form of ceramic made by
humankind and why it still is so popular today. During the middle ages,
this was the only known type of ceramic ware and was often made impermeable
by adding a lead glaze. Earliest examples of vases in the museum date
from the VIIth century BC and extend up to the XIXth century. Pottery
from outside Europe may also be seen with displays of ware from South
America and North Africa. |