Waste or slop bowl, American China Manufactory, Philadelphia, Pennsylvania, 1770–1772. Soft-paste porcelain. (Courtesy, Atwater Kent Museum; photo, Gavin Ashworth.)
Bottom view of the bowl illustrated in fig. 1, showing the “P” mark.
Interior view of the bowl illustrated in fig. 1.
Detail of the interior rim of the bowl illustrated in fig. 1.
Detail of the glassy glaze flaw on the rim of the bowl illustrated in fig. 1.
Detail of firing flaw on the footrim of the bowl illustrated in fig. 1. The small residue is where the bowl sat on the kiln furniture during firing.