Pie plates were a common everyday item used in the kitchen for centuries in Europe and in America. Early Pennsylania German potters were influenced by German sgraffito plates. Sgraffito is a technique in which the body of a pot is covered over with the slip of a different color clay. The coating is carved away to expose the diferent colored under body of the pot. Slipware usually occurs as an earthenware core that has been decorated with slip or liquid clay. Slipware was introduced to this country by the Netherlands in the late sixteenth and early seventeenth centuries. Soon after the English Staffordshire tradition was born. Slipware began to be made in Sussex, Kent Somerset and Devon Counties. It is the wares produced in these English counties that influenced the local American potteries that produced earthenware pie plates. I am guessing that local earthenware pie plate production started soon after Colonial settlement in Philadelphia. These wares were not difficult to make and were essential to everyday life. Raw materials such as clay and wood for firing were abundant in the surrounding area. Whole Colonial examples of slipware or sgraffito pie plates are rare. The earliest examples at the Philadelphia Museum of Art are from about 1792. There is an entire reference book documenting the Museum's collection. Most of the plates seen in this photo album are c1840-60. They are all dug from privies in Philadelphia and restored. In about 1860 the popularity of earthenware decorated vessels and plates plummeted. People began to favor the cleaner looking yellow ware pottery made famous by the Bennington, NH potteries. The Bennington style pottery was fired to a higher temperature and resisted under glaze staining much better that the lower fired earthenware.

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