Figure 30 Bowls, William Rogers, Yorktown, Virginia, 1720–1745. Biscuit and lead-glazed earthenware. D. 8 1/2". (Courtesy, National Park Service, Colonial National Historical Park, Yorktown Collection.) COLO Y 71183, COLO Y 71189, COLO Y 71185. Many bowls had a rim diameter of approximately 8", equating to one-quart capacity, although a larger example, with a rim diameter of 20", was excavated.