Figure 14 Biscuit and glazed industrial or factory-made slipware waste, Copeland factory, ca. 1850. Whiteware with slip decoration. (Courtesy, Potteries Museum & Art Gallery; photo, David Barker.) These sherds were recovered from a dump adjacent to the Spode factory in Stoke-on-Trent. The sherds are all from “London shape” bowls and are unusual in that they bear the impressed mark “copeland.”